The net weight (in oz) of a dry bleach product is to be monitored by F and R control charts using a sam- ple size of n = 5. Data for 20 preliminary samples are shown in Table 6E.7. (a) Set up ī and R control charts using these data. Does the process exhibit statistical control? (b) Estimate the process mean and standard deviation. (c) Does fill weight seem to follow a normal distri- bution? (d) If the specifications are at 16.2 ± 0.5, what conclusions would you draw about process capability? (e) What fraction of containers produced by this process is likely to be below the lower specifi- cation limit of 157 oz?
The net weight (in oz) of a dry bleach product is to be monitored by F and R control charts using a sam- ple size of n = 5. Data for 20 preliminary samples are shown in Table 6E.7. (a) Set up ī and R control charts using these data. Does the process exhibit statistical control? (b) Estimate the process mean and standard deviation. (c) Does fill weight seem to follow a normal distri- bution? (d) If the specifications are at 16.2 ± 0.5, what conclusions would you draw about process capability? (e) What fraction of containers produced by this process is likely to be below the lower specifi- cation limit of 157 oz?
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.1: Measures Of Center
Problem 9PPS
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