Question: Sheet 1 of the data file contains data about the hourly wage rates of unionized vs. non-unionized women in manufacturing. We are interested in testing the null hypothesis that there is no difference in the mean hourly wage of these two groups.

We do not assume that the population variances are the same. α = 0.01

a) Show the Excel data analysis output chart for this problem. Do not show the data.

b) Type a complete sentence that i) gives the decision of the test, mentioning its precise p-value, and ii) explains what we should think about the issue in question.