ap statistics - frq review: sampling & experiments
originally streamed in 2020 with Bob AmarTeacherReview FRQ strategies for collecting data in AP Statistics with Bob Amar. This session walks you through experiment design, sampling methods, bias, and confounding variables with real FRQ examples and interactive practice.
You'll strengthen your und ...more
curriculum note
This video describes the pre-2027 AP Statistics exam format. Starting in May 2027 the exam is fully digital in Bluebook, with 42 multiple-choice questions (4 answer choices each) and 4 free-response questions worth 10 points each, replacing the previous 40-question / 6-FRQ paper format. Timing, question counts, and rubric structure discussed here no longer apply.
covered in this stream
timestamps
- 0:00
Introduction and Overview
- 0:40
Stream Guidelines
- 1:10
Host Introduction
- 1:41
Collecting Data Topics
- 2:13
Upcoming Streams
- 3:46
Major Concepts Overview
- 4:16
Types of Studies
- 6:54
Experiment Design Principles
- 7:25
Distracted Driving FRQ
- 8:26
Poll: Experiment or Observational
- 10:07
Experiment Explanation
- 12:43
Blinding in Experiments
- 14:20
Control Groups
- 14:52
Sampling Techniques
- 17:27
Apartment Sampling FRQ
- 19:51
Cluster Sampling Method
- 22:56
Stratified Sampling
- 24:58
Stratified Advantage
- 28:11
Generalizing Results
- 30:17
Stem Plot FRQ
- 30:59
Poll: Generalizing Findings
- 33:31
Generalizing Explanation
- 34:06
Poll: Cause and Effect
- 36:13
Cause Explanation
- 37:16
Confounding Factors
- 39:20
Bias in Collection
- 44:31
University Satisfaction FRQ
- 46:04
Bias Explanation
- 48:42
Sample Response Poll
- 53:51
Non-Response Bias FRQ
- 57:06
Confounding Concept
- 58:42
Confounding FRQ Example
- 1:00:45
Blocking and Pairs
- 1:02:50
Matched Pairs Design
- 1:04:27
Closing Remarks
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