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.
