Unit 5, Statistical Inference for Proportions

Here are some Chapter 18 video resources for sampling distributions.

• Video 1, Sampling Distributions, vocabulary and general concept.

• Video 2, Sampling Distributions of means and proportions.

• Vidoe 3, Sampling Distributions of means and proportions continued.

Here are some Chapter 19 video resources for Confidence Intervals.

• Video 1, Beginning of Statistical Inference. Conceptual Ideas of Confidence Intervals

• Video 2, Confidence Intervals for proportions

• Video 3, Confidence Intervals, for means and finding z*-this is a great overview video but deals with means which we don't get to until chapter 23

Here are some Chapter 20 video resources for Hypothesis tests.

• Video 1, Hypothesis Tests, the basic idea

• Video 2, Hypothesis Test for a proportion, my video referencing chapter 20

• Video 3, Hypothesis Test for a Proportion example 1 from our text

• Video 4, Hypothesis Test Example 2 from another textbook and teacher

Here are a couple of Chapter 21 Videos for Hyp Test Errors.

• Video 1, Errors

• Video 2, Power of a Test

• Video 3, Power of a Test from our text

Here is a video example for Chapter 22 two-proportion z-test.

• Two-prop z-test and interval