Houghton Mifflin Harcourt
Holt, Rinehart and Winston: Homework Help Independent Practice: Measures of Central Tendency
Get independent practice working with the mean, median and mode. Each incorrect response gets a text box explanation and another try. Correct responses are confirmed.
Palomar Community College District
Palomar College: Mode, Median, Mean Examples
A series of step-by-step worked problems demonstrating how to take a set of data and produce the measures of central tendency. Hints are provided along the way and the final measures are shown for the user to check.