A mutual fund is a professionally managed investment that can be sold to the general public. The following table lists the 3-month rates of return, in percent, for samples of healthcare elated and technology-related mutual funds, as reported by Morningstar, an independent investment research company.

a. Use the technology of your choice to obtain normal probability plots and box-plots for the two samples.
b. Is it reasonable to use the pooled t-test to perform a hypothesis test here? Explain your answer.
c. Is it reasonable to use the Mann-Whitney test to perform a hypothesis test here? Explain your answer.

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Healthcare Technology 9.7 9.5 7.6 6.8 6.76.5 64 64 6.2 4.9 .7 3.3 3.0 0.8 -99 2.9 2.8 2.7 25