The mean number of vacation days per year offered by differentU.S. companies is

Question

The mean number of vacation days per year offered by differentU.S. companies is skewed to the right. a)We collect data on the number of vacation days from a randomsample of 60 companies across the United States.Why is it okay touse these data for inference even though the population isskewed? b)The mean and standard deviation of the 60 companies in oursample were 22 days and 9 days , respectively.Specify the samplingmodel(shape,center,spread) for the mean number of vacation days ofsuch samples. C) Find a 95% confidence interval for the mean number ofvacation days offered by U.S. companies. d)Explain what "95% confidence" means in this context. The mean number of vacation days per year offered by differentU.S. companies is skewed to the right. a)We collect data on the number of vacation days from a randomsample of 60 companies across the United States.Why is it okay touse these data for inference even though the population isskewed? b)The mean and standard deviation of the 60 companies in oursample were 22 days and 9 days , respectively.Specify the samplingmodel(shape,center,spread) for the mean number of vacation days ofsuch samples. C) Find a 95% confidence interval for the mean number ofvacation days offered by U.S. companies. d)Explain what "95% confidence" means in this context.

Explanation / Answer

c) I believe that a 95% confidence interval suggests that one is 95% confident that the number of vacation days a company offers (of the 60 respective companies) is within the interval created from part b.

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