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