Determine lower and upper control limits for mean chart

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Reference no: EM13109964

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

------------- 75 71 74 79 80

------------- 74 76 61 75 68

------------- 79 62 74 73 81

------------- 71 70 74 75 71

------------- 71 79 74 74 73

------------- 73 79 80 74 70

Reference no: EM13109964

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