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Home Q & A Board Science-Related Homework Help Mathematics Statistics and Probability
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Yessi15 Yessi15
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Use the Wilcoxon signed-rank test to perform the required hypothesis test. Be sure to state the hypotheses and the significance level, to obtain the critical value(s), to compute the value of the test statistic, and to state your conclusion.

Last year, the mean waiting time for the number 14 bus was This year, a random sample of 12 waits for the bus yielded the following waiting times, in minutes.

10.2 14.6    6.0   20.5    2.7   23.6
14.1  8.6   30.6    4.7   12.0   16.9

At the 1% significance level, do the data provide sufficient evidence to conclude that the mean waiting time this year is higher than last year's mean time of
Textbook 
Introductory Statistics

Introductory Statistics


Edition: 10th
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emneviusemnevius
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