Investigation Five: What Do We Mean by Mean?

Introduces statistical measures of center.

Audiences: Grades 6-8, Grades 9-12

Primary Subjects: Statistics

Related Topics: arithmetic, histogram, mean, measures of central tendency, median, mode, range, sets, statistics, sum

PlopIt allows users to build dot plots of data using the mouse. View how the mean, median, and mode change as entries are added to the plot. Parameters: Range for observations.

Audiences: Grades 3-5, Grades 6-8, Grades 9-12

Primary Subjects: Graphs, Statistics

Related Topics: bar graph, data plot, graph, histogram, mean, measures of central tendency, median, mode, range, statistics

View stem-and-leaf plots of your own data, and then practice finding means, medians and modes. Stem and Leaf Plotter is one of the Interactivate assessment explorers.

Audiences: Grades 3-5, Grades 6-8, Grades 9-12

Primary Subjects: Graphs, Statistics

Related Topics: data plot, graph, mean, measures of central tendency, median, mode, range, statistics, stem and leaf