Describing Data Numerically

This lesson considers important numerical summaries for measures of center and spread, including the mean, median, mode, range, variance, and standard deviation, to describe univariate, quantitative (numeric) data.

Sample Topics

  • U.S. Presidents
  • Hitchcock films
  • Battery lifetimes
  • Bowling scores

Lesson Targets

  • Calculate numerical measures of center
  • Determine which measure of center may be more appropriate
  • Calculate numerical measures of spread

Materials Included

  • Lesson overview with instructor's notes
  • Activity sheet containing 5 exercises
  • Activity answer key
  • Minitab data sets