ap statistics - unit 7 review: inference for means
originally streamed in 2020 with Jerry KosoffTeachercurriculum note
This video was recorded during the COVID-modified 2020 AP exam and incorrectly states that chi-square tests were removed from the AP Statistics exam. Chi-square tests ARE currently on the AP Statistics exam (Unit 8). The exam format referenced in this video is also outdated.
covered in this stream
timestamps
- 0:00
Welcome and Overview
- 0:30
Exam Changes Discussion
- 1:00
Inference Big Picture
- 1:31
Procedure Practice Intro
- 2:35
Goal of Inference
- 3:37
Confidence Intervals vs Tests
- 4:42
Decision Tree Explanation
- 5:44
Categorical vs Quantitative Data
- 6:46
One vs Two Samples
- 7:49
Naming Procedures
- 8:55
Water Cup Scenario
- 10:27
Interval Identification
- 11:31
ACL Recovery Example
- 13:06
Two-Sample T-Test
- 14:10
Tumbleweed Resistance
- 15:43
Two-Sample Z-Test
- 17:17
Wait Times Interval
- 18:21
Matched Pairs Example
- 20:27
Procedure Confidence Check
- 21:31
Matched Pairs Calculation
- 23:03
Calculator Buttons Guide
- 23:35
Confidence Interval Conditions
- 25:11
Independence Condition
- 26:13
Interval Interpretation
- 27:49
Student Sample Review
- 29:24
Hypothesis Test Setup
- 30:57
Independence Explanation
- 32:31
Matched Pairs Hypotheses
- 35:17
Parameter Definition
- 36:19
T-Test Calculation
- 37:57
P-Value Interpretation
- 39:31
Reject Null Hypothesis
- 40:35
Matched Pairs Conditions
- 42:09
Dot Plots Analysis
- 43:42
Student Exemplar Review
- 45:16
Open Q&A Session
- 46:49
Degrees of Freedom
- 47:51
Type I Error
- 49:29
Standard Error Formula
- 50:33
Type II Error Discussion
- 52:11
Formula Sheet Update
- 53:14
Cram Pass Details
- 54:48
Closing Remarks
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