Male and female students in a personal finance class were asked to count how much cash they carried.
(a) At α = .01, can you conclude that the males carry more cash on average? Assume Cash unequal population variances.
(b) Is it reasonable to assume unequal variances?

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Male 1834 1816 2287 950 25.52 15.18 3487 6.62 12.13 40.18 27.77 Female 21.66 15.39 15.23 15.81 15.64 21.78 637 17.60 16.54