An antifungal medication was applied to the skin of eight adult subjects. One hour later, the amount
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An antifungal medication was applied to the skin of eight adult subjects. One hour later, the amount of active ingredient that had been absorbed into the skin was measured for each subject. The results, in micrograms, were
a. Construct a boxplot for these data. Is it appropriate to perform a hypothesis test?
b. If appropriate, perform a hypothesis test to determine whether the mean amount absorbed is less than 3 micrograms. Use the α = 0.05 level of significance. What do you conclude?
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