Assume a normal distribution. From the Baltimore facility, 145 samples were obtained and compared with a sample of 128 from the Burlington facility. 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:

Baltimore facility

Mean 52.5 Standard deviation 19.7

Burlington facility

Mean 39.7 Standard deviation 8.9

Using this data, complete the following:

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