The Ahmadi Corporation Wants to Increase the Productivity of Its $\alpha$

Essay

The Ahmadi Corporation wants to increase the productivity of its line workers. Four different programs have been suggested to help increase productivity. Twenty employees, making up a sample, have been randomly assigned to one of the four programs and their output for a day's work has been recorded. You are given the results below.
a.State the null and alternative hypotheses.
b.Construct an ANOVA table.
c.As the statistical consultant to Ahmadi, what would you advise them? Use a .05 level of significance. Use both the critical and p-value approaches.
d.Use Fisher's LSD procedure and determine which population mean (if any) is different from the others. Let $\alpha$ = .05.