Loan Processing times are being monitored at a local company. Samples of six observations each have been taken, and the results are listed. Using Factors from Table 10.3, determine lower and upper control limits for a a mean chart
Sample Number 1 2 3 4 5
------------- 41 53 40 58 43
------------- 49 38 57 49 60
------------- 44 48 53 52 47
------------- 43 50 40 37 60
------------- 45 53 44 47 42
------------- 48 62 41 50 47
38.705 , 57.361
39.585 , 56.481
27.617 , 68.449
37.825 , 58.241
None of the Above