Unit 5: Inference for categorical variables

Reading:

Learning objectives:

Videos:

All videos are best viewed in full screen.

Sample proportions:

This video discusses proportions.

Confidence intervals for population proportions:

This video discusses calculating confidence intervals for population proportions.

Calculating required sample size to estimate population proportions:

This video discusses calculating required sample size to estimate population proportions.

One sample Z test for population proportions:

This video discusses conducting a one sample Z test for population proportions.

Sampling distribution for proportions:

This video discusses sampling distribution for proportions.

Comparing proportions via hypothesis testing:

This video discusses comparing proportions (of two populations) via hypothesis testing.

Estimating differences between proportions via confidence intervals:

This video discusses estimating differences between proportions (of two populations) via confidence intervals.

Chi-square test of goodness of fit:

This video discusses conducting a chi-square test of goodness of fit.