16.2 Test 1 Computer Practice

16.2 Test 1 Computer Practice - cashier old 1 2 3 4 5 6 7 8...

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Unformatted text preview: cashier old 1 2 3 4 5 6 7 8 9 10 11 12 13 new 58 50 62 60 55 63 60 62 70 73 74 58 66 difference 60 55 62 61 53 65 63 66 70 75 78 62 68 The manager at a grocery store wants to determine if a new cash register 2 A random sample of cashiers is selected and asked to use each machine f 5 is recorded. Without making any assumptions about the distribution, can 0 will allow for more items to be processed (faster service) than the curren 1 -­‐2 Wilcoxon Signed Rank Test: difference 2 3 Test of median = 0.000000 versus median > 0.000 4 0 N for Wilcoxon Estimated 2 N Test Statistic P Median 4 difference 13 11 62.0 0.006 2.000 4 2 mine if a new cash register will allow for faster service than the current one. ked to use each machine for three minutes; the number of items processed about the distribution, can the manger conclude that the new cash register er service) than the current register? Use alpha = 0.05. Test: difference 000 versus median > 0.000000 n Estimated c P Median 62.0 0.006 2.000 TS = 11 pvalue = 0.006 ...
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  • Spring '13
  • Leffakis
  • Harshad number, Nontotient, new  cash

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