10.3 Matched Samples

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Unformatted text preview: n two delivery services, UPX and INTEX, to transport its documents. How can the company determine which see MS Excel file Examples.xlsx, worksheet Delivery 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? 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 r...
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This document was uploaded on 03/05/2014.

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