Summarizing center of distributions (central tendency)

How long does a typical person spend on a phone each week? Is it different for younger people? In this tutorial we'll use measures of center like mean and median to summarize and compare sets of data.

Statistics intro: Mean, median, & mode

Mean, median, & mode example

Mean, median, and mode

Missing value given the mean

Missing value given the mean

Impact on median & mean: removing an outlier

Impact on median & mean: increasing an outlier

Effects of shifting, adding, & removing a data point