AP Chapter 9

Guided  Reading Notes: 

• AP Ch9 Guided Notes for Reading Textbook (TPS4e) (Google DOC)

• AP Stats Chapter 9 – Glossary of Important Definitions

PowerPoint Presentation

• AP Stats 9.1a – Hypotheses Basics

• AP Stats 9.1b – Power, Type I and Type II errors

• AP Stats 9.2 Tests for Proportions

• AP Stats 9.3a (TOH and CI for 1-Sample Population Means) Notes

• AP Stats 9.3b (Paired T-Test)

Helpful Templates to Organize Hypothesis Testing:

•  Guide to Doing Inference Procedures TOH(phantoms) and CI(panic)

• Test of Significance Template

Class Activities:

• 9.1 Video: The Most Simple Intro. to Hypothesis Testing! – Statistics Help

• 9.1a Activity - Test of Hypothesis (TOH) Basics (2026 key)

  • [outdated] Activity 9.1A (more detailed key)

• 9.1b -  Type I and Type II errors (2026 key)

  • • [outdated] Activity 9.1B (more detailed key)

    • [outdated] 9.1B POWER Activity – Power, Review Type I&II Errors – (2020 KEY)

    • [outdated] Power Simulation Applet

• 9.2a Activity – 1-sided TOH for Proportions (2026) 

• 9.2b Activity – 2-sided TOH and CI for Proportions (2026)

• 9.3a Activity  - 1-sided TOH for Means(2025)

• 9.3b Activity – TOH and CI for Means (2026 key)

• PAIRED T-TESTS MOVED TO CHAPTER 10

Frappy's:  Ch9 Frappy's (8pt bonus on the test) 

HW:

• AP Stats 9.1 HW & Quiz 9.1C

• AP Stats 9.2 HW

• AP Stats 9.3 HW

• Review Keys:

  • AP Stats Chapter 9 FRQ Review (2025 key)

  • AP Stats Chapter 9 Practice Test Free Response

  • AP Stats Chapter 9 Multiple Choice Review (KEY)

  •  AP STAT Chapter 9 Study Guide 

  • AP Stats Chapter 9 In-class MC&FRQ Practice Test (2020 key)

  • AP Stats 9.3 Review Frappy KEY

  • AP Stats Ch 9 Assignments (2020 – Match Pairs moved to 10)

Additional Resources:

• More help understanding "Type 1 and 2 Errors and Power" by Videos by Khan Academy

1. Introduction to Type I and Type II errors

2. Type 1 errors

3. Examples identifying Type I and Type II errors

4. Examples thinking about power in significance tests

5. Test yourself. Do the questions in “Consequences of errors and significance”