12 men and 10 women are asked about how long it takes them to get ready in the morning. The men had an average of 20 minutes with a standard deviation of 5 minutes while the wom…

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asked Jan 8, 2023 71.6k views

12 men and 10 women are asked about how long it takes them to get ready in the morning. The men had an average of 20 minutes with a standard deviation of 5 minutes while the women had an average of 28 minutes with a standard deviation of 10 minutes. Suppose you want to test the stereotype that women take longer getting ready than mean with alpha = 0.05.

Q1 What is the alternative hypothesis in this scenario? (Men are sample 1 and women are sample 2)
Mu1 < Mu2
Mu2 ? Mu2
Mu1 > Mu2
Q2 What is the test statistic?
a. -1.093
b. 0.532
c. -2.438
Q3 What is the critical value(s)?
a. 1.96
b. -1.645
c. -1.725

Molikh asked

by Molikh

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12 men and 10 women are asked about how long it takes them to get ready in the morning. The men had an average of 20 minutes with a standard deviation of 5 minutes while the wom…

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