The median length of stay for male substance-abuse outpatient treatment completers is 105 days. The following data

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The median length of stay for male substance-abuse outpatient treatment completers is 105 days. The following data represent the length of stays for a random sample of female substance-abuse outpatient treatment completers.

111 81 103 94 117 110 108 91 92 116 98 84

Using the Wilcoxon signed-ranks test at the α = 0.05 level of significance, does the median length of stay seem different for males and females?

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