What happens to the standard deviation when combining males

Reference no: EM132465255

Based on the descriptive statistics for the variable Height answer and explain the following questions:

a. When combining males and females does the mean give a good measure of a typical value?

b. What happens to the standard deviation when combining males and females (as compared to when males and females are separate)?

c. Why does the standard deviation change in this way?

Reference no: EM132465255

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