5. An experiment was conducted to determine which of the three personnel management approaches (X, Y, Z) is the most effective in improving employee morale. Three experimental districts were chosen randomly and each was assigned to X, Y, and Z approach. At the conclusion of the experiment, a 100 item test was administered to the subjects. The scores of the three districts are recorded below. Test the hypothesis of equal means at 0.05 significance level. {20 pts.) Statistic District District District Computed Critical P- Respondents Respondents Respondents F F value assigned to assigned to assigned to X Approach Y Z Approach Approach Ho: Ha: Decision: Interpretation