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.