The brain size in hundreds of thousands of pixels is


Brain Size The brain size (in hundreds of thousands of pixels) is reported for some men and women in the table. (Source: Willerman, L., Schultz, R., Rutledge, J. N., and Bigler, E. (1991), "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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Basic Statistics: The brain size in hundreds of thousands of pixels is
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