Concept explainers
Car Repairs Suppose you want to determine whether car repair price quotes are higher for women customers than for men. Several repair shops (10) are sampled; each shop is called by a man and later that week by a woman, and the same script is read describing the problem before man estimate is given. Which test(s) can be used for each situation below?
a. The distribution of the difference of prices suggests that the population of price differences is Normal.
b. The differences in price follow a right-skewed distribution.
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