.:. a. Assuming that management is willing to use three- sigma control limits, and using only the…

1. Table 14.27 shows the average temperature and precipitation in a city for the month of July…
February 3, 2022
WK7 1 answer below »
February 3, 2022

.:.
a. Assuming that management is willing to use three- sigma control limits, and using only the historical information contained in the four samples, show that the call center access time is in the statistical control.
b. Suppose that the standard deviation of the process distribution is 5.77. If the specifications for the access time are 500 ± 18 sec., is the process capable? Why or why not? Assume three-sigma quality.

 
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