Question

The brain size (in hundreds of thousands of pixels) is reported for some men and women in the table. “In Vivo Brain Size and Intelligence,” Intelligence, 15, 223–228.)
a. Make two separate stemplots (or dotplots or histograms). Does either data set show strong skew? If so, is the distribution right-skewed or left-skewed?
b. Compare the means.
c. Compare the standard deviations.


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  • CreatedJuly 16, 2015
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