16.1 Test 1 Computer Practice

16.1 Test 1 Computer Practice - time 9.5 11 8.8 10 9.3 10.4...

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Unformatted text preview: time 9.5 11 8.8 10 9.3 10.4 7.3 8.8 9 9.4 8.3 10.3 9.3 9.4 7.9 11.1 9.8 You have developed a new floor polish and are interested in it is faster drying than your competitor w their polish dries in 10 minutes. You polish 17 floors and record the time it takes to dry. Can you con new polish is better than the competition? Assume nothing about the distribution of drying times. A Sign Test for Median: time Sign test of median = 10.00 versus < 10.00 N Below Equal Above P Median time 17 12 1 4 0.0384 9.400 TS = 4 pvalue = 0.0384 drying than your competitor who claims me it takes to dry. Can you conclude that your distribution of drying times. Alpha = 0.01. ...
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• Spring '13
• Leffakis
• competitor, Mac OS X, median time

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