Interactive
Calculator Soup

Calculator Soup: Statistics Calculator

For Students 9th - 10th Standards
Calculate basic summary statistics for a sample or population data set including minimum, maximum, range, sum, count, mean, median, mode, standard deviation and variance.
eBook
Missouri State University

Missouri State U.: Statistics: Measures of Central Tendency and Variability

For Students 9th - 10th Standards
Provides lengthy explanations of the measures of central tendency - mean, mode, and median - and the measures of variability - range, variance, standard deviation. Graphs of interesting examples are presented as well, skewed...
Lesson Plan
Shodor Education Foundation

Shodor Interactivate: Lesson: Box Plots

For Teachers 9th - 10th Standards
This lesson plan introduces quartiles and box plots. It contains an activity and discussion. Supplemental activities about how students can represent data graphically are also included.