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.
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 13PPS
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