ap statistics - sampling distributions for differences
originally streamed in 2020 with Josh ArgoTeachercurriculum note
This video was recorded for the 2020 AP exam, which had a modified format due to COVID-19 (including open notes and a take-home structure). Tips about bringing cheat sheets and the specific exam date/format may not apply to the current AP Statistics exam.
covered in this stream
timestamps
- 0:00
Introduction to Topic
- 0:30
Stream Overview
- 1:01
Sampling Distribution Definition
- 2:04
Role in Inference
- 3:38
Sample Size Importance
- 4:38
Population Distribution Activity
- 5:42
Sampling with n=2
- 6:13
Larger Sample Normality
- 8:50
Conditions for Two Proportions
- 9:52
Independence Condition
- 10:53
Large Counts for Normality
- 12:28
Formulas for Proportions
- 13:29
Flat Earth Survey Example
- 14:02
Checking Conditions
- 17:12
Proportions vs Means Conditions
- 18:14
Mean and SD Calculation
- 20:23
Probability of Difference
- 21:57
Interpreting P-Value
- 24:31
Conditions for Two Means
- 26:03
Central Limit Theorem
- 28:38
Formulas for Means
- 31:43
Fries Example Study Type
- 34:52
Small Sample Justification
- 36:24
Mean and SD for Fries
- 37:57
Interpreting Standard Deviation
- 39:30
Evidence from New Sample
- 41:35
Wrapping Up and Questions
- 43:07
Final Thoughts
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