No need to nap through the lesson. Given data on the number of naps two teachers take, learners calculate the mean, median, mode, and range, and then interpret their results in terms of the context. They then see how to determine the standard deviation of the data sets.

Concepts

data, data analysis, mean, median, mode, range, standard deviation

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Instructional Ideas

• Have the class research different data sets to calculate descriptive statistics
  

Classroom Considerations

• First of five videos in Algebra 1 Unit 4
• Some familiarity with descriptive statistics from middle school is beneficial
  

Pros

• Shows the steps for using a graphing calculator to find standard deviation on screen for viewers to reference
  
• Provides student worksheets and separate answer keys
  

Cons

• None

Common Core

HSS-ID.A.2