HLTH 501
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EXCEL EXERCISE 3
The standard deviation is a measure of how much variation is present in a sample or population.
Refer to the Descriptives table in the spreadsheet and identify the standard deviation for the
weights of the three groups. Enter the standard deviation next to the variable names below. (1pt)
A. Wt_Grp_1 = _____
B. Wt_Grp_2 = _____
C. Wt_Grp_3 = _____
For the three histograms below enter the letter corresponding to the Wt_Grp with a standard
deviation most consistent with the shape of the histogram. To answer this question, think about
the Empirical Rule. (1 pt)
Letter ______
Letter: ______
Letter ______
HLTH 501
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