The average wait time to get seated at a popular restaurant in the city on a Friday night is 14 minutes. Is the mean wait time greater for men who wear a tie? Wait times for 12 randomly selected men who were wearing a tie are shown below. Assume that the distribution of the population is normal. 16, 13, 15, 12, 14, 13, 12, 15, 14, 14, 13, 12 What can be concluded at the the a = 0.05 level of significance level of significance? a. For this study, we should use t-test for a population mean

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Please answer B, C, & D. 

The average wait time to get seated at a popular restaurant in the city on a Friday night is 14 minutes. Is
the mean wait time greater for men who wear a tie? Wait times for 12 randomly selected men who were
wearing a tie are shown below. Assume that the distribution of the population is normal.
16, 13, 15, 12, 14, 13, 12, 15, 14, 14, 13, 12
What can be concluded at the the a = 0.05 level of significance level of significance?
a. For this study, we should use t-test for a population mean
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The average wait time to get seated at a popular restaurant in the city on a Friday night is 14 minutes. Is the mean wait time greater for men who wear a tie? Wait times for 12 randomly selected men who were wearing a tie are shown below. Assume that the distribution of the population is normal. 16, 13, 15, 12, 14, 13, 12, 15, 14, 14, 13, 12 What can be concluded at the the a = 0.05 level of significance level of significance? a. For this study, we should use t-test for a population mean

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