Measures of Variability: Apply It 2

  • Describe the differences in variability in histograms and dotplots. 
  • Calculate and describe standard deviation.

Variability

Let’s use a data set of movie runtimes to explore variability using the statistical tool.

Step 1: Select the Several Groups tab.

Step 2: Locate the drop-down menu under Enter Data and select From Textbook.

Step 3: Locate the drop-down menu under Data Set and select Movie Run Time.

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