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  3. AP Stats - Type I & II Errors and Power of Tests

ap stats - type i & ii errors and power of tests

originally streamed in 2020 with Josh ArgoTeacher
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Learn how Type I and Type II errors work in hypothesis testing and understand statistical power for AP Stats. This video helps you identify errors in statistical tests, calculate error probabilities, and interpret what power means for your conclusion ...more

covered in this stream

units
Unit 6 – ProportionsUnit 7 – Means
topics
6.7 Potential Errors When Performing Tests

timestamps

  • 0:00

    Introduction to Inference

  • 1:02

    Types of Errors

  • 2:06

    Possible Test Outcomes

  • 3:08

    Reject or Fail to Reject

  • 3:38

    Errors and Random Chance

  • 5:42

    Type 1 Error

  • 6:44

    Probability of Type 1

  • 7:45

    Graphical Rejection Region

  • 10:23

    Confidence Interval Buffer

  • 10:55

    Type 2 Error

  • 11:57

    Small Sample Size Risk

  • 12:59

    Questions on Type 2

  • 14:32

    Cookie Jar Example

  • 15:33

    Null Hypothesis Setup

  • 17:11

    Type 1 in Context

  • 18:44

    Type 2 in Context

  • 19:44

    Questions on Errors

  • 20:47

    Potato Chip Claim

  • 22:52

    P-Value Conclusion

  • 23:54

    Possible Type 1 Error

  • 25:26

    Probability of Type 1

  • 26:28

    Power and Beta

  • 28:02

    Increasing Study Power

  • 29:07

    Sample Size Comparison

  • 30:39

    Alpha Level Effects

  • 32:46

    Fitness Test Report

  • 33:49

    Hypotheses for Study

  • 35:21

    Student Response Analysis

  • 36:53

    Grading Criteria

  • 37:23

    Student A Response

  • 38:54

    Student B Response

  • 39:56

    Student C Response

  • 41:29

    Wrapping Up Errors

  • 42:00

    Cram Pass Reminder

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Study Content & Tools

Study GuidesFRQs + AI ScoringAP Essay Grader for StudentsAI Grading for TeachersPractice QuestionsGlossaryScore Calculators

Company

What's New?PricingBulk DiscountsTestimonialsFAQsEmail us

Resources

AP Exam Schedule 2027AP ClassesAP ClassroomEasiest AP ClassesHardest AP ClassesAP vs IBAP vs Dual EnrollmentAP vs Honors ClassesAP Scholar Awards

history

🌎 ap world history🇺🇸 ap us history🇪🇺 ap european history

social science

✊🏿 ap african american studies🗳️ ap comparative government🚜 ap human geography💶 ap macroeconomics🤑 ap microeconomics🧠 ap psychology👩🏾‍⚖️ ap us government

english & capstone

✍🏽 ap english language📚 ap english literature🔍 ap research💬 ap seminar

arts

🎨 ap art & design🖼️ ap art history🎵 ap music theory

science

🧬 ap biology🧪 ap chemistry♻️ ap environmental science🎡 ap physics 1🧲 ap physics 2💡 ap physics c: e&m⚙️ ap physics c: mechanics

math & computer science

🧮 ap calculus ab♾️ ap calculus bc📐 ap precalculus📊 ap statistics💻 ap computer science a⌨️ ap computer science p

world languages

🇨🇳 ap chinese🇫🇷 ap french🇩🇪 ap german🇮🇹 ap italian🇯🇵 ap japanese🏛️ ap latin🇪🇸 ap spanish language💃🏽 ap spanish literature

go beyond AP

high school exams

✏️ PSAT🎓 Digital SAT🎒 ACT

honors classes

🍬 honors algebra II🫀 honors anatomy🐇 honors biology👩🏽‍🔬 honors chemistry💲 honors economics📐 honors geometry⚾️ honors physics📏 honors pre-calculus📊 honors statistics🗳️ honors us government🇺🇸 honors us history🌎 honors world history

college classes

👩🏽‍🎤 arts👔 business🎤 communications🏗️ engineering📓 humanities➗ math🧑🏽‍🔬 science💶 social science

hs classes

🏛️ alabama history⛰️ appalachian studies🌴 california history🌍 earth science🌐 ethnic studies🐊 florida history🍑 georgia history🌎 global studies🌺 hawaiian studies📰 journalism🪶 native american studies🌵 new mexico history🤠 oklahoma history⚗️ physical science🎙️ speech and debate🤝 texas government🤠 texas history🌲 washington state history🕊️ world religions
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© 2026 Fiveable Inc. All rights reserved.

AP® and SAT® are trademarks registered by the College Board, which is not affiliated with, and does not endorse this website.