For Exercises 7.75 and 7.76, see page 402; for 7.77 and 7.78, see page 404; for 7.79 and 7.80, see page 406; and for 7.81 see page 408.
7.81 Sign test for the oil-free frying comparison
Exercise 7.10 (page 371) gives data on the taste of hash browns made using a hot-oil fryer and an oil-free fryer. Is there evidence that the medians are different? State the hypotheses, carry out the sign test, and report your conclusion.
7.81
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Using . There is no strong evidence that the two measurements are different.