Random samples of size n = 250 are taken from a population with p = 0.09 a. Calc

Question

Random samples of size n = 250 are taken from a population with p = 0.09 a. Calculate the centerline, the upper control limit (UCL), and the lower control limit (LCL) for the P chart. Round the value for the centerline to 2 decimal places and the values for the UCL and LCL to 3 decimal places.) Centerline Upper Control Limit Lower Control Limit b. Calculate the centerline, the upper control limit (UCL), and the lower control limit (LCL) for the P chart if samples of 120 are used. (Round the value for the centerline to 2 decimal places and the values for the UCL and LCL to 3 decimal places.) Centerline Upper Control Limit Lower Control Limit c. Discuss the effect of the sample size on the control limits. The control limits have a larger spread with smaller sample sizes due to the increased standard error for the smaller sample size

Explanation / Answer

a)

b)

sample size n= 250.00

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