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12.3 Using samples of 200 observations each, a quality inspector found the results shown in Table EX 12.3. Table EX 12.3 Sample 123456 Number of Defectives 4 2 5865 a. Determine the fraction defective in each sample. b. Estimate the mean and standard deviation of the sampling distribution of fractions defective. c. Determine the control limits that would give an alpha risk of 0.025 for this process. d. Construct an appropriate control chart and identify any observations that are not within control limits.

12.3 Using samples of 200 observations each, a quality inspector found the results shown in Table EX 12.3. Table EX 12.3 Sample 123456 Number of Defectives 4 2 5865 a. Determine the fraction defective in each sample. b. Estimate the mean and standard deviation of the sampling distribution of fractions defective. c. Determine the control limits that would give an alpha risk of 0.025 for this process. d. Construct an appropriate control chart and identify any observations that are not within control limits.

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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please help answer 12.3

12.3 Using samples of 200 observations each, a quality inspector found the results shown in Table EX 12.3. Table EX 12.3 Sample 123456 Number of Defectives 425865 a. Determine the fraction defective in each sample. b. Estimate the mean and standard deviation of the sampling distribution of fractions defective. c. Determine the control limits that would give an alpha risk of 0.025 for this process. d. Construct an appropriate control chart and identify any observations that are not within control limits.
Transcribed Image Text:12.3 Using samples of 200 observations each, a quality inspector found the results shown in Table EX 12.3. Table EX 12.3 Sample 123456 Number of Defectives 425865 a. Determine the fraction defective in each sample. b. Estimate the mean and standard deviation of the sampling distribution of fractions defective. c. Determine the control limits that would give an alpha risk of 0.025 for this process. d. Construct an appropriate control chart and identify any observations that are not within control limits.
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