Does it appear that process for making tees is in control

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Reference no: EM131791461

Description:

P Control Chart A company that makes golf tees controls its production process by periodically taking a sample of 100 tees from the production line. Each tee is inspected for defective features. Control limits are developed using three standard deviations from the mean as the limit. During the last 16 samples taken, the proportion of defective items per sample was recorded as follows:

.01 .02 .01 .03 .02 .01 .00 .02 .00 .01 .03 .02 .03 .02 .01 .00

a. Determine the mean proportion defective, the UCL, and the LCL.

b. Draw a control chart and plot each of the measurements on it.

c. Does it appear that the process for making tees is in control?

Reference no: EM131791461

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