A production process that is in control has a mean of 83 and a standard deviation of 17.
a.
Determine the upper and the lower control limits for a sample size of 30.
b.
Five samples had means of 80, 83, 74, 83, and 90. Indicate whether or not the process is in control.
What will be an ideal response?
a. | LCL = 73.70 UCL = 93.31 |
b. | The process is in control. |
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