Using Sample Data to Compare the Means of Two or More Populations

Determine whether there is a difference between two grades. Teams generate random samples of two grade levels of individuals. Groups use the mean absolute deviation to determine whether there is a meaningful difference between the estimated population means. 

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CCSS: Designed
Instructional Ideas

  • Lead a discussion on the implication to have a meaningful difference between population averages
Classroom Considerations

  • Pupils need to know how to calculate mean absolute deviations
  • Classmates should be able to describe the distribution of data
  • The 22nd installment in a unit of 25
Pros

  • Contains a data file with multiple populations
  • Includes a link to a random number generator
Cons

  • The lesson refers to two previous lessons that are listed later in the series
Common Core