Comparing Birth Weights The birth weights of a sample of males have a mean of 3273 g and a standard deviation of 660 g. The birth weights of a sample of females have a mean of 3037 g and a standard deviation of 706 g (based on Data Set 3 “Births” in Appendix B). When considered among members of the same gender, which baby has the relatively larger birth weight: a boy with a birth weight of 3400 g or a girl with a birth weight of 3200 g? Why?