The data on the weight (lb) of male and female wolves, from Table D.9 of the Data Bank, are

(a) Test the null hypothesis that the mean weights of males and females are equal versus a two-sided alternative. Take α = .05.
(b) Obtain a 95% confidence interval for the difference of population mean weights.
(c) State any assumptions you make about the populations.

Transcribed Image Text:

90 71 71 77 68 73 Female|5783 10184 88 117 86 86 93 86 106