A restaurant consultant undertook a preliminary study

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Unformatted text preview: estaurant consultant undertook a preliminary study involving measuring the percentage of the total bill left as a tip for one randomly selected waiter and one randomly selected waitress in each of 50 restaurants during a 1-week period. The data can be found in Servers.xlsx. What conclusions can be drawn from these data? Hypotheses: H0: μWaiters–Waitresses = 0 HA: μWaiters–Waitresses ≠ 0 Hypothesis Tests Example Do waiters or waitresses earn larger tips? A restaurant consultant undertook a preliminary study involving measuring the percentage of the total bill left as a tip for one randomly selected waiter and one randomly selected waitress in each of 50 restaurants during a 1-week period. The data can be found in Servers.xlsx. What conclusions can be drawn from these data? Hypotheses: H0: μWaiters–Waitresses = 0 HA: μWaiters–Waitresses ≠ 0 Hypothesis Tests Example Do waiters or waitresses earn larger tips? A restaurant consultant undertook a preliminary study involving measuring the percentage of the total bill left as a tip for one randomly selected waiter and one randomly selected waitress in each of 50 restaurants durin...
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