(25) A process is sampled using n = 35, yielding = 66.2 and s = 1.8. Specifications are set at 66.5 + 5. The quality characteristic is normally distributed. a. Estimate the potential process capability. b. Estimate the actual process capability. c. Estimate PCRêm- d. Use the appropriate one-sided confidence interval on PCR; to determine whether you have strong evidence that the actual process capability is poor (less than 1). Use a = 0.05.

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(25) A process is sampled using n = 35, yielding i = 66.2 and s = 1.8. Specifications are
set at 66.5 + 5. The quality characteristic is normally distributed.
a. Estimate the potential process capability.
b. Estimate the actual process capability.
c. Estimate PCRrm-
d. Use the appropriate one-sided confidence interval on PCR; to determine whether you
have strong evidence that the actual process capability is poor (less than 1). Use a =
0.05.
Transcribed Image Text:(25) A process is sampled using n = 35, yielding i = 66.2 and s = 1.8. Specifications are set at 66.5 + 5. The quality characteristic is normally distributed. a. Estimate the potential process capability. b. Estimate the actual process capability. c. Estimate PCRrm- d. Use the appropriate one-sided confidence interval on PCR; to determine whether you have strong evidence that the actual process capability is poor (less than 1). Use a = 0.05.
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