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Recall that blocking refers to the idea that the variability in a variable can b

ID: 3125060 • Letter: R

Question

Recall that blocking refers to the idea that the variability in a variable can be reduced by segmenting the data by some other variable. The data in the accompanying table represent the recumbent length (in centimeters) of a sample of 10 males and 10 females who are 40 months of age. Complete parts (a) through (d). Click the icon to view the data table. Determine the standard deviation of recumbent length for all 20 observations. Determine the standard deviation of recumbent length for the males.

Explanation / Answer

a)

b) only males

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