This breaks down the normal distribution into 8 smaller sections (4 different percents).

This applies the Empirical Rule percentages to answer questions.

This compares the mean and standard deviation of two different normal distributions.

Misc questions that deal with the normal distribution.

This reviews all 6 sampling methods including: simple random, systematic, stratified, cluster, convenience, and volunteer (self selected).

This goes over data collection methods in general and also covers bias.

This covers using categorical data (proportions) to determine margin of error and confidence intervals.

This covers using continuous data (means) to determine margin of error and confidence intervals.