Solve the question below:
The following table illustrates a sample of maintenance tasktimes observations. Use the information in the table to calculateyour responses for each of the questions.
74.66 75.40 47.18 59.63 59.87
57.36 55.94 66.00 43.45 51.22
62.26 69.15 66.61 53.03 59.51
53.97 46.62 63.77 70.50 68.93
56.73 40.51 57.30 55.07 54.89
35.85 69.60 52.93 61.05 64.62
43.85 53.27 50.87 59.96 42.15
51.67 61.65 42.87 57.15 52.57
60.49 53.82 43.75 64.07 67.35
54.10 68.07 55.83 34.05 57.83
Calculate the mean Mct and standard deviation for thissample.
Compute the percentage of corrective time between 40 and 50minutes by using the standard normal table.
