ap statistics - 2019 frq walkthrough

timestamps

• 0:00

  Introduction to AP Stat FRQ

• 1:02

  Question 1 Room Sizes

• 1:32

  Describing Distribution Part A

• 2:34

  CUSS in Context

• 4:38

  Bimodal Shape Analysis

• 5:40

  Spread and Range

• 7:16

  Part B Box Plot

• 7:47

  Outliers IQR Test

• 9:54

  Sketching Box Plot

• 11:29

  Part C Histogram vs Box Plot

• 12:00

  Question 2 Experiment Design

• 12:31

  Treatments and Units

• 15:07

  Part B Control Group

• 16:39

  Part C Random Assignment

• 19:45

  Question 3 Survey Probabilities

• 20:46

  Part A Never and Woman

• 21:50

  Part B Never or Woman

• 23:56

  Part C Conditional Probability

• 25:35

  Independence Check

• 28:16

  Binomial At Least Four

• 34:06

  Question 4 Hypothesis Test

• 35:10

  Parameters and Hypotheses

• 37:44

  Pooled Proportion

• 40:24

  Normality Conditions

• 45:32

  Test Statistic and P-Value

• 47:56

  Decision and Conclusion

• 49:01

  Question 5 Battery Lifespan

• 51:07

  Part A 25th Percentile

• 53:13

  Part B Warranty Probability

• 55:52

  Part C Expected Gain

• 59:03

  Question 6 Rental Prices

• 1:00:42

  Part B Mean vs Median

• 1:02:46

  Part C Sampling Distribution

• 1:04:56

  Bootstrapping Concept

• 1:06:00

  5th Percentile Calculation

• 1:07:32

  95th Percentile Calculation

• 1:08:37

  Percentage Between Values

• 1:10:09

  Confidence Interval Interpretation

• 1:12:18

  Closing Remarks