AP Stats is a relatively large AP class 👨‍🏫 with quite a few resources online, but there are some amazing ones, like Fiveable 5️⃣, that are here to help! If you can practice for the exam 📝 and use these tips, then you should be all set to do awesome 🤩 on your FRQs and ace your MCQ 🧐 sections of your exam.

Tip 💡 #1: Know the Exam Format 1️⃣

The AP Statistics exam has a pretty standard Multiple-Choice + Free Response structure. When you walk into the exam, the first section you will take is the multiple-choice section of the exam 📎 On the AP Stats exam, you will have:

The MCQ section of the AP Stats is worth 50% (a.k.a half) of your exam score. Like most other AP MCQs, the AP Stats MCQ has 5️⃣ choices, A through E to choose from, with each question having only one correct answer.

The second and final 💯 section on the exam is the free-response questions. The Stats exam has two parts to the FRQ section. Courtesy of the 

 💻, the free-response question will include:

The last section of your FRQ is called an investigative task 🤔 This question assesses 2 or 3 skills from the first four questions and asks you to apply your statistical skills to new contexts or in non-routine ways.

The sixth 6️⃣ question, the investigative task, is a separate part of the FRQ and is worth 25% of this section's weight 😱 (that is a lllllooooootttt). Free-response questions, like the MCQs, are worth 50% of your total exam score, with the first five 5️⃣ questions being worth 37.5% and the last investigative task being worth 12.5% overall!

Free-response questions, similar to the MCQ, also allow the use of a calculator 🧮, and the same rules apply as before regarding what types of calculators you will be allowed to use. Check out the MCQ Help for AP Stats Article to learn more (coming soon).

For the Section Two 2️⃣, the FRQ portion of your exam, you will receive ⌛:

 Kind of like peer tutoring, but in a group 👩‍🎓👨‍🎓 and all online. Get alerted to live reviews and join the chat to discuss topics and write practice ✍️ questions live. 

 The key feature that Fiveable has that you won't find in any of the other listed resource is making real connections with other students. If you attend sessions live, you can submit questions for teacher and TAs to discuss. The replay will get time-stamped 🀄 with the answered questions, which makes it really easy to go back and review that answer 💪

 The cool thing about Fiveable is that even though the live reviews are at the core of this resource, there are several other key features like trivia games 🏆 that members play live! There are thousands of members across the world 🗺️ and you can see how you stack up against them 😻

Tip 💡 #3: Deconstruct the Formula Sheet 3️⃣

The formula sheet 📜 is one of the most useful pieces of your AP Exam! You will be able to use that (and a calculator 🧮) throughout the whole test ♥️

Let’s go through some steps together to really make sure that you can use your formula sheet to the fullest on test day 😍

Here are some annotated ✍️ formulas from the Descriptive Statistics (Units 1 and 2) of AP Stats:

Now, let's look at some annotated Probability (Unit 4) Distribution Formulas:

Finally, let's discuss some inference formulas, their meanings, and how to apply them to different significance tests and confidence intervals 🎉

All of these formula sheet images are courtesy of AP Stats Slides from:

how to get the most out of the formula sheet with Josh Argo

AP Stats 📉 isn't a super hard class, but it does require an in-depth understanding 🤔 of the content and knowing how to apply it to math equations and real-word situations! Make sure to understand these tips 💡 to be able to get that five 5️⃣ in May 🙌 and 

How to Get a 5 in AP Statistics

 (or as most people just call it, AP Statistics). Let's go on a deep dive into the AP Statistics exam and take a look at how the exam is formatted and scored 💯

✍️ Section 2: The Free Response Questions (FRQ)

The second and final section on the exam is the free-response questions. The Stats exam has two parts to the FRQ section. Courtesy of the

, the free-response question will include:

The sixth question, the investigative task, is a separate part of the FRQ and is worth 25% of this section's weight. Free-response questions, like the MCQs, are worth 50% of your total exam score, with the first five questions being worth 37.5% and the last investigative task being worth 12.5% overall!

Free-response questions, similar to the MCQ, also allow the use of a calculator, and the same rules apply as before regarding what types of calculators you will be allowed to use. Check out the MCQ Help for AP Stats Article to learn more <<TK>>.

For the Section Two, the FRQ portion of your exam, you will receive:

🏋️‍♂️ AP Stats FRQ Unit Weighting

There are nine units in AP Statistics that the AP Exam tests 🎉 You can reference this table to see which units you should study the most and least:

AP Statistics 📊 is a bit of an interesting class because the FRQs follow a unique rubric that isn't anything like the rubrics of other AP exams. Make sure that you understand how points are earned and lost on the exam!

Question 1 of the 2018 AP Statistics Exam.

Just like as shown in the image above, each question part will be based on ratings: essentially correct, partially correct, and incorrect. Depending on your EPIs, each question will receive a score from one to four.

After each part is rated, your overall score will be converted to the 1-4 scale. The cumulative score of all of the FRQs is your score for the section. For more information on the AP Stats FRQs ✍️, make sure to check out:

AP Stats - Statistics Free Response Questions

AP Statistics is a pretty hard class and if you are considering taking it or self-studying, make sure to check out the articles:

📝 Read: AP Stats - Is AP Stats Hard? Is AP Stats Worth It? (coming soon)

However, if you continue to study 📓 with Fiveable, you can make the AP Stats FRQ section completely Fiveable (see what we did there)! So, make sure to take a look at all of our

AP Statistics Free Response Help - FRQ

The whole reason that anyone comes to Fiveable and is reading this guide is to prepare for the big AP Exam. The beast that is the AP Exam is what everyone wants to make “Fiveable”. Tackling the beast requires first looking at what the exam actually is.

The format for the AP Stats Exam is as follows:

Section 1: Multiple Choice (Referred to as MCQ from now on!) 🧐

40 Questions | 1 Hour 30 Minutes | 50% of Exam Score

Section 2: Free-Response (Referred to as FRQ from now on!) ✏️

6 Questions | 1 Hour 30 Minutes | 50% of Exam Score

BEST FOR PEOPLE WHO NEED ON THE GO REVIEW -

The Practice of Statistics is one of the most widely used AP Stats textbooks 📖 on the market, and it comes recommended by the College Board 👍

AP Stats is a popular, but difficult class! Finding a prep book and/or textbook 📖 that works for you and your learning style 💭 is very important. Make sure to check the awards 🎊 sections for the prep books and textbooks and find what matters most to you before making a decision to 💸 purchase anything!

Best AP Statistics Textbooks and Prep Books

If you are reading this, you are probably considering self-studying for this exam 😬 If you are afraid of doing so because you don’t know anything about it, we got you!

Let’s dive into all about AP Statistics 🥳

The AP Statistics exam is formatted relatively similar to any other AP Exam. When you walk into the exam, the first section you will be given is the multiple-choice section of the exam 📎 On the AP Stats exam, you will have:

The MCQ section of the AP Stats exam is worth 50% of your exam score. Like most other AP MCQs, the AP Stats MCQ has 5️⃣ choices, A through E to choose from, with each question having only one correct answer.

The second and final section on the exam is the free-response questions. You'll receive 90 minutes to answer 6 FRQs, including one special 

 🤔 The AP Stats exam has two parts to the FRQ section. Courtesy of the 

Free-response questions, like the MCQs, are worth 50% of your total exam score, with the first five 5️⃣ questions worth 37.5% and the last investigative task worth 12.5% overall!

Barron’s and The Princeton Review are the two prep book companies that adequately prepare you for the exam, varying in the way they deliver information and the format they use.

The books act as a good source of practice with a detailed explanation for every answer. The books will also provide you with tips about how to approach each type of question.

While you taking this course, identify the words you don’t understand and write them 📝 down on a sheet of paper, or even better, make a quizlet.That way you will be able to review these words before your exam 😄

 Don't know what quizlets to use or where to start? Check out: AP Stats—

Another good way to prepare for the exam 📝 is by 

 which are posted on the College Board website. Reading through FRQ ✍️ sample answers will help you know what mistakes not to make. Make sure to check out our list of all of the released FRQ past prompts so you can practice for your exam.

 Want to learn more about how to get a five 5️⃣? Check out: AP Stats—

The most important thing you need to remember is to pay for your exam on time. Also, talk with your school to know if they do any “practice week” before the exam.

AP Statistics Self-Study and Home School


If there was a holy trinity for AP study sites, Quizlet would most certainly be in it. Its easy to use interface, combined with its multi-purpose functionality, helps students of all different learning styles in endless subject areas. However, it can sometimes be challenging to find the best vocab sets.
 



Fiveable’s AP Stats teachers & students have compiled the best quizlet study decks for each unit. The AP Stats exam is very concept heavy, so make sure you take the time to learn these terms. 


Catch a live review or watch a replay for AP Stats on 

Unit 1 Key Terms (15-23%): Exploring One-Variable Data

Unit 1 includes the roots of statistics, and it is very important to get these concepts down and memorized. In this unit, you will distinguish between categorical and quantitative data, describe and compare distributions, and begin to learn about normal distributions.

Unit 2 Key Terms (5-7%): Exploring Two-Variable Data

Unit 2 is an expansion of Unit 1. It builds on the relationships between two categorical or quantitative variables and how to argue about the strength between the two. This unit includes a lot of set interpretations of the different components of an LSRL which are very important to remember.

AP Statistic Chapter 2 - Two Variable Data by Mrs_Gutosky

Unit 3 Key Terms (12-15%): Collecting Data

This unit discusses sampling methods and ways of collecting data that can be used to represent a population. It is filled with vocabulary that is essential in future units.

AP Statistics Collecting Data by rachel_thiebout

Unit 4 Key Terms (10-20%): Probability, Random Variables, and Probability Distributions

Everyday, we see things that happen simultaneously to the point we question the possibility of that event happening again. This brings in probability, the proportion of times the outcome would occur in a large number of repetitions. Unit 4 is all about probability and is very calculation heavy.

AP Statistics CB Unit 4+5: Probability, Random Variables, Probability Distributions, Sampling Distributions by Zosia_Stawiarska

Unit 5 Key Terms (7-12%): Sampling Distributions

This unit is an introduction to significant tests, which are covered in later units. It begins introducing statistics, bias, the CLT, and population parameters.

AP Statistics Chapter 7 - Sampling Distributions by Janet_Delery

Unit 6 Key Terms (12-15%): Inference for Categorical Data: Proportions

This unit is the beginning of significant tests, in which you are expected to check conditions, construct and interpret confidence intervals, and calculate a p-value. This unit consists of estimating population parameters involving categorical data.

Unit 6: Inferences for Categorical Data: Proportions by Cfritz15

Unit 7 Key Terms (10-18%): Inference for Quantitative Data: Means

This unit is very similar to Unit 6, but instead of dealing with proportions (p), we are dealing with means (μ). Many of the concepts overlap, but it is important to note that we cannot write proportions anywhere we are running an inference test for quantitative data.

AP Statistics - Inference for Quantitative Data: Means by AlyssaMorales107

Unit 8 Key Terms (2-5%): Inference for Categorical Data: Chi-Squared

Chi-Squared significant tests operate differently than proportion and mean significant tests. 

 χ² distributions are skewed right. The degree of skewness depends on the degrees of freedom.

AP Statistics Chapter 11: Inference for Distributions of Categorical Data

Unit 9 Key Terms (2-5%): Inference for Quantitative Data: Slopes

There is variability in slopes as well. In this unit, you will learn how to perform significant tests and construct confidence intervals about the slope of a regression line.

AP Stats U9: Linear Regression Inference Vocab + Variables by harrisonb_4

Hopefully, these decks can help you study for your tests and ultimately, the AP exam. The best feature about Quizlet is the option to play games and use the flashcards wherever you are. When you are studying, you can always duplicate a deck and customize it to your own needs.


As long as you review these flashcards at least once a day a few days before your test, you should be good to go. Make sure to take advantage of starring flashcards you struggle with! Before a test, it's great to quickly look over the starred ones and then feel more confident about them.

Best Quizlet Decks for AP Statistics

AP Statistics will probably be more difficult than the other math classes you've taken (besides Calculus 😂) since it doesn't just involve math; it involves analyzing qualitative, as well as quantitative, data! However at the same time, the class is totally doable 💪 Concepts build on each other pretty quickly, so make sure to keep up with the work and ask questions 🤔 if you're confused.

Lots of people, including myself, consider Statistics to be half English and half math! There are whole units that don't have a single equation or an ounce 📐 of math 😱

On the test, you answer multiple-choice questions (MCQs 🧐). The current format is as follows:

Then, you'll answer 6 free-response questions in an hour and 30 minutes. A calculator will be by your side the entire time, so don't worry! Check out these articles to get an idea of the questions you'll see:

Here are the score distributions from 2019 + 2020:

In AP Statistics, the pass rate is generally around 60%! That's pretty good for an AP Exam 🎊

A simple random sample (Unit 3 coming in clutch 🤩) of AP Statistics Fiveable users rated how hard the AP Stats Exam was on a scale from 1 star ⭐ (easy peasy) to 5 stars ⭐⭐⭐⭐⭐ (super hard). Here are the results:

Self-Created Using Microsoft Excel Graphs. This pie chart shows that many students have mixed feelings about how hard the AP Stats exam is. A reassuring factor from this graph is that many students think that it's an average level of hard 👍

The mean rating (that's on one 1️⃣-variable data analysis) for the AP Stats exam was 3.22/5 😂

First, don't just memorize 🧠 formulas and vocab. Try to understand the reasoning behind each concept. There's a large focus on graphing and real-world applications, so make sure to figure out the meaning behind formulas and rules.

Second, brush up on your algebra skills. A lot of times, students will understand the statistics concept part of a question, but they'll make mistakes because of small algebraic errors. Check out this stream: 

Third, practice FRQs! Try to answer questions in the time limit. When you finish, look at the answer key and compare your work. Remember that every time you correct a mistake, you learn something new.

Lastly, let's hear 👂 some words of wisdom from the Fiveable community:

"Break it down! Everything in Statistics is connected; once you make these connections and understand every step, the overall process is easier to understand."—Jane Zhao

"AP Statistics requires determination and resilience because there will undoubtedly be certain aspects that are hard to understand but do not give up! This subject is very broad and can be found in the real world, making it all the more beneficial. So don't give up if you don't grasp a concept quickly. Keep trying!"—Dishitar

"Absolutely worth it!! As someone who loves politics and polling, AP Stats has helped me understand what the heck they mean by margin of error, sample size, and causes of bias! Also, AP Stats is multidisciplinary, applicable in the humanities, social sciences, and STEM!"—Brandon Wu 

All in all, AP Stats is definitely 💯 worth taking. It's extremely useful for most STEM 🧪 fields, like physics, chemistry, and biology. Even if you aren't going into STEM, statistics is a new type of math that you just might like if you try 🙃

If you start to find it difficult, don't get discouraged! You'll come out of the class knowing more than you did before, and Fiveable 5️⃣ has 

Is AP Statistics Hard? Is AP Statistics Worth Taking?

Stagflation refers to an unusual circumstance in economics. 

Imagine the U.S Macroeconomy is in equilibrium as shown below:

Now try to imagine a scenario where the equilibrium price has increased while the equilibrium quantity has decreased. Have you ever thought about it before? 

Well, this is what you call a situation of 

Stagflation refers to when the economy suffers from persistent high inflation and high unemployment. 

Still not sure how stagflation relates to the scenario mentioned above? Well, here is a graph of stagflation: 

When the Aggregate Supply of the economy decreases, the equilibrium quantity of goods and services purchased decreases and their equilibrium price increases. 

When the equilibrium quantity in a macroeconomy decreases, less workers are needed to produce those goods and services

The Aggregate Demand for goods and services has remained the same while the Aggregate Supply has decreased. 

This results in consumers bidding for a lower supply of goods and services, leading to an increase in the equilibrium price of the goods 

Thus an increase in the rate of inflation occurs 

This means that the value of currency has decreased.

At the end of the day, Stagflation benefits absolutely nobody, for high unemployment coupled with high inflation is a nightmare for both producers and consumers of goods and services. Use this knowledge and practice 

 to gain more info and follow Fiveable's study plan to help prepare for your test!  

 for more lectures, livestreams and personalized feedback to help you prepare!

What is Stagflation?

I'm an AP Stats teacher and streamer at Fiveable. This year's exam is different than we expected, but I'm here to help. I've put together this study guide to help keep you on track while you are studying from home.

 I'll also be joining a group of students live on Mondays @ 9pm ET during cram sessions. 

🎓This guide is from the Spring 2020 exam season. For Fall 2020, check out the 

 for self-study, homeschool, or supplemental learning. 

This year, the AP Statistics exam will look different than you were expecting. As we’re all on quarantine 😷 due to COVID-19, the College Board has decided to update the format and content of the test to fit an online testing format.

You’ll have 45-minutes to take the exam online and it will only cover units 1-7. If you have already studied content from unit 8 or 9, don’t stress! It’s all worth knowing.

Exploring One-Variable Data
2 - ✌️ Exploring Two-Variable Data
3 - 🔎 Collecting Data
4 - 🎲  Probability & Random Variables
5 - 📊  Sampling Distributions
6 - ⚖️ Inference for Categorical Data - Proportions
7 - 😼  Inference for Quantitative Data - Means

8 - ✳️ Inference for Categorical Data - Chi-Square

9 - 📈 Inference for Quantitative Data - Slopes

Wherever you are in the world, this is the time you’ll take the test. Unless you have been approved for the make-up date in June, but only your school can request that. You’ll take the test online. There will be a practice simulation posted by College Board within the next few weeks.

With so many school closures and the stress of a global pandemic, this review season will be different than usual. If this is your first AP exam, welcome! Don’t worry, it’s not usually this chaotic. 

We’ve put together this plan for you to follow between now and May. This will cover all of the units and leave you time to practice questions before test day. Some classes may have done units out of chronological order throughout the year, which is ok. The units don’t have to be taught in order. If you are learning new material on your own and need some help, use the chat bubble on 

. We’ll answer any questions you may have. 

All of the required resources are free, including the AP stats cheat sheet. 

  We’ve also linked a few other websites, articles, and YouTube videos that you can access for free. Some of the suggested resources include paid products. There are some documentaries that you can find on streaming sites with a paid membership and we’ll also list streams and practice questions that require a paid cram pass on Fiveable.

Before we begin, take some time to get organized. Remote learning can be great, but it also means you’ll need to hold yourself accountable more than usual. 

Make sure you have a designated place at home to study. Somewhere you can keep all of your materials, where you can focus on learning, and where you are comfortable. Spend some time prepping the space with everything you need and you can even let others in the family know that this is your study space. Claim your territory by printing out and posting your AP stats cheat sheet PDFs! We at Fiveable don't love that term, but our creators have lovingly crafted these 1 page 

Get your notebook, textbook, prep books, or whatever other physical materials you have. Also create a space for you to keep track of review. Start a new section in your notebook to take notes or start a Google Doc to keep track of your notes. Get your self set up!

The hardest part about studying from home is sticking to a routine. Decide on one hour every day that you can dedicate to studying. This can be any time of the day, whatever works best for you. Set a timer on your phone for that time and really try to stick to it. The routine will help you stay on track.

How will you hold yourself accountable to this study plan? You may or may not have a teacher or rules set up to help you stay on track, so you need to set some for yourself. First set your goal. This could be studying for x number of hours or getting through a unit. Then, create a reward for yourself. If you reach your goal, then x. This will help stay focused!

🌶 Join the live cram stream with Jerry Kossoff. 

Unit 1 is about creating and analyzing graphs of data. This includes both categorical and quantitative data. For categorical data, we should be able to read and create tables and bar graphs, and calculate proportions/percentages. For quantitative data, we should be able to read and create dotplots, stemplots, histograms, and boxplots. We should also be able to describe the shape, center, variability (spread), and any unusual features of a distribution of quantitative data. This includes making calculations such as mean, median, range, interquartile range (IQR), and standard deviation. Our descriptions and calculations can be used to compare data from multiple groups. Finally, Unit 1 ends with describing the position of individuals within a quantitative data set, including using percentiles and z-scores. This leads us to an initial exploration of the Normal Distribution, though we will study that more in-depth in Units 4-5.

If you have more time or want to dig deeper:

✌️ UNIT 2: Exploring Two-Variable Data

Unit 2 is about creating and analyzing graphs of data when two variables are measured about each individual in a data set. For categorical data, we should be able to read and create two-way tables or segmented bar graphs, and calculate conditional percentages. These can be used to comment on the association (or lack thereof) between the two variables. For quantitative data, we should be able to read, create, and describe scatterplots, which can also be used to comment on apparent association between two variables.

The second half of Unit 2 is then focused on linear regression, a process by which we can make predictions about one quantitative variable (a response variable) using another (an explanatory variable). We should be able to use Least-Squares Regression Lines to make these predictions, and interpret several components of the LSRLs (including slope, intercept, and other calculated values such as s or r2)

While Units 1-2 were about graphing and analyzing sets of data, Unit 3 is about examining the methods through which we can collect that data. For sample surveys, we should be able to describe various methods of selecting samples, particularly the random methods (simple random, stratified random, cluster, and systematic samples). However, not all samples are collected through a random process, and we should be prepared to discuss possible sources of bias in surveys (including via non-random selection processes).

We then turn to the differences between observational studies and experiments, and the features of a well-designed experiment. We should be able to define many common terms associated with experiments (many of which you’ve likely seen in other courses!), and compare and contrast several common experimental designs: completely randomized design, randomized block design, and matched-pairs design.

AP Stats New Format (FRQ) Study Guide

Looking for a downloadable cheat sheet for the AP Statistics exam? We've pulled together 1-page formula sheet PDF with unit summaries for AP Stats

This review sheet was created by AP Statistics teachers and students who have passed the exam so you can see the entire course on one page:

Please note! Due to the COVID outbreak, the 2020 exam only covers ap stats units 1-7.

☝️ Unit 1: Exploring One-Variable Data

✌️ Unit 2: Exploring Two-Variable Data

🎲 Unit 4: Probability, Random Variables, and Probability Distributions

⚖️ Unit 6: inference for Categorical Data: Proportions

🐱 Unit 7: Inference for Quantitative Data: Means

Unit 8: Inference for Qualitative Data: Chi-Square

Unit 9: Inference for Quantitative Data: Slopes

AP Statistics Cheat Sheet PDF & Formula Review Chart

➕ Check out these other AP Stats resources:

One of the most important things within the AP Stats course is the foundation of valid and reputable data; without it, there is no basis on which to formulate a solid conclusion. 

Bias is a term given to any factor that may lead to data favoring one or more outcomes over others. There are several types of bias that you will cover throughout the course, but the four most common types that you will see during your time in the class are explained below with examples. 

Response bias occurs when subjects polled produce an answer that does not truly reflect the population because of the situation. 

For instance, if an environmental science teacher asks his or her class students who recycles, the students are much less likely to answer truthfully to this figure of authority. 

This type of bias can severely skew data towards one response over others.

Voluntary response bias occurs when an individual, group, or company release a survey to a mass number of people, giving them the option to fill out and return or abstain from filling it out. 

Another common example can be seen on television. Some companies give the option to call-in and discuss a particular issue. Since calling in is completely voluntary, the company is very likely to hear from those individuals who feel strongly about the topic. 

Therefore, the conductors of the survey/sample are collecting unreputable data.

3. Non-response Bias (Population Bias) ❌

Non-response bias, or population bias, typically occurs hand-in-hand with voluntary response bias. When people choose not to respond to a survey or sample, their opinions do not get evaluated. 

The people who do respond do not represent the entire population thus non-response bias can be detrimental to the results.

Undercoverage bias occurs when one or more populations is not represented appropriately through the selection and sampling procedures. 

For example, if a surveyor wanted to poll voters for an upcoming election and used a phone book to contact residents in his area, his survey would suffer from undercoverage bias. 

There are many reasons that undercoverage is present--one reason is that young adults (think 18-26) do not typically have landlines of their own. 

Another reason is that the extremely wealthy and extremely poor populations are not as likely to be listed in the phone book; all three of these populations were undercovered, so the results will show definite bias. 

Bias in statistics is a crucial concept for evaluating statistical analyses, and a key aspect of getting a 5 in AP Stats. Check out Fiveable's online 

 for more ways to make sure you pass AP Statistics this year. It's worth it!

What is Bias?

There are two important values that we need to calculate in order to carry out a test for the difference in two population proportions. We need to calculate a z-score and a p-value. Both need to be included in our response to receive full credit.

The z-score for our test is our critical value. We can calculate it by using the formula for any z-score:

That formula looks pretty 🤢, so luckily if we run our test on a calculator, the z-score is part of our calculator output.

As with any p-value, we are using the normal curve and our z-score to calculate the probability of obtaining such a value (or one less than/greater than) that value. Also, using a calculator here is much easier than doing it by hand.

Once we have our p-value and z-score, we can then make a judgment to either reject or fail to reject our null hypothesis. 

AP Statistics Exam Prep 2020-21📊

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Inference for Categorical Data: Proportions﻿

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Inference for Categorical Data: Chi-Square﻿

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Inference for Quantitative Data: Slopes﻿

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Unit 1

Exploring One-Variable Data

Unit 2

Exploring Two-Variable Data

Unit 3

Collecting Data

Unit 4

Probability, Random Variables, and Probability Distributions

Unit 5

Sampling Distributions

Unit 6

Inference for Categorical Data: Proportions

Unit 7

Inference for Qualitative Data: Means

Unit 8

Inference for Categorical Data: Chi-Square

Unit 9

Inference for Quantitative Data: Slopes

Free Reviews 2020

Free Response Questions (FRQs)

Multiple Choice Questions (MCQs)

Blogs

Jenni MacLean

Jerry Kosoff

Josh Argo

Shane Durkan

Bob Amar

Karen Knight

Harrison Burnside

Peter Cao

Sander Owens

Brianna Bukowski

Kanya Shah

Jackson Schuster

Jacob Jeffries

Lusine Ghazaryan

John Le

Tyler Fazenbaker

Krish Gupta

Derek Schiltz

Tyler Fazenbaker