Lesson 7: Variance and Standard Deviation

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September 11, 2016 at 6:00 pm  •  Posted in f16-busad265 by  •  0 Comments

Mon, Sep 12

Review:

  • Percentiles and Boxplots

Presentation:

  • How to calculate Variance and Standard Deviation
    • See formulas on pp. 40-41
    • Example 1.19 on p. 41
    • Use female height data from Student Survey
  • Watch Standard Deviation Video

Activity:

  • Calculate Variance and Standard Deviation
    • Use your knowledge 1.53 on p. 42
    • Data set 1: {2, 4, 8, 4, 6, 2, 7, 8, 4, 3, 8, 9, 4, 3, 5}
    • Data set 2: {7, -2, 5, 9, 0, -3, -6, -7, -4, -5, 2, -8}
    • Data set 3: {213, 345, 609, 73, 167, 243, 444, 524, 199, 682}

Assignment:

  • Read pp. 40-44
  • Use Sheets to calculate standard deviation for the Selling Price variable in each of the 3 neighborhoods in the RE East Pueblo data set.

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