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Maintenance is done to increase the printing speed of an office printer. The amount of time (in ...

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Maintenance is done to increase the printing speed of an office printer. The amount of time (in ...

Maintenance is done to increase the printing speed of an office printer. The amount of time (in seconds) for each of the six employees to print a standardized report using this printer before the maintenance is recorded in the table. The amount of time for the same employees to print these same reports after the maintenance is also recorded.

Print Time Before Maintenance	Print Time After Maintenance
236	218
200	205
258	220
202	202
260	230
211	205

Assuming the distributions are symmetric and continuous, conduct a Wilcoxon signed-rank test to see if it appears that the median print time decreased after the maintenance. Select the correct critical value (CV), test statistic (TS), and decision. (Useα= 0.10.)

▸

CV = 6, TS = 18, rejectH₀

▸

CV = 17, TS = 14, fail to rejectH₀

▸

CV = 2, TS = 10, rejectH₀

▸

CV = 13, TS = 14, rejectH₀

Textbook

Introductory Statistics: A Problem-Solving Approach

Edition: 3^rd

Author: Kokoska

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