Introduction to Comparing Variability of Data Sets

Concept Map

Animated flyover of concept map, focusing in on the following topics.

Prerequisites to complete Corequisite Support Activity, What to Know, and Forming Connections in Comparing Variability of Data Sets

Corequisite Support Activity (source: 1 and 2 specified as prior knowledge in DC instructor page)

  1. Measures of center.
  2. Calculating the distance that each observation varies from the mean.

What to Know (source: implied prior knowledge in content)

  1. Express the formula for calculating the mean of a sample.

Forming Connections (source: WTK LOs explicitly given in DC instructor page in-class activity)

  1. Visually assess the differences in variability given comparative histograms or dotplot.
  2. Use technology to calculate measures of variability: standard deviation, variance, and range.