What does it mean to take the mean of the mean? An easy-to-use interactive has users adjust the mean ages of different samples. Finding the average of these sample means gives an estimate of the population mean.

In this water worksheet, students complete the chart about precipitation and population and answer short answer questions. Students complete 14 rows in the chart and answer 4 questions.

Try these practice problems comparing distributions.

Practice comparing distributions of data in different forms of graphical representation.