Question: 15.44 Time in a restaurant. Use the data in Exercise k* 15.42 to estimate the mean time customers spend in this restaurant on Saturday evenings

15.44 Time in a restaurant. Use the data in Exercise k* 15.42 to estimate the mean time customers spend in this restaurant on Saturday evenings with 95% confidence. Follow the four-step process for confidence intervals (page 236).

l4 15.45 Normal body temperature. Use the data in Exercise

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