Problems Involving Mean and Median

This lecture series discusses using mean and median to make inferences about data points and how the small changes in data can affect mean and median. Watch the videos and complete the interactive exercises.

Practice

Effects of shifting, adding, & removing a data point - Answers

1. Both the mean and median will increase, but the mean will increase by more than the median.
2. Both the mean and median will decrease, but the mean will decrease more than the median.
3. The mean will decrease, and the median will stay the same.
4. Both the mean and median will decrease, but the mean will decrease by more than the median.