Mathematics, 31.07.2019 13:20 ctyrector

In a statistics class, the standard deviation of the heights of all students was 4.24.2 inches. the standard deviation of the heights of males was 3.53.5 inches and the standard deviation of females was 3.13.1 inches. why is the standard deviation of the entire class more than the standard deviation of the males and females considered separately?

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In a statistics class, the standard deviation of the heights of all students was 4.24.2 inches. the...

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