Assume a normal distribution. From facility A, 175 samples were obtained and compared with a sample of 168 from the facility B. The mean hours per week and standard deviations for middle management who had been with the organizations for approximately the same length of time were:

A Facility mean: 62.5

B facility mean: 39.7

A facility Standard deviation: 23.7

B facility Standard Deviation: 8.9

Then:

1. State your hypothesis and conduct a hypothesis test using a significance of 0.10.
2. What is your conclusion? And why? Interpret it.