The net weight of a soft drink is to be monitored by and R control charts using
Question:
The net weight of a soft drink is to be monitored by and R control charts using a sample size of n = 5. Data for 20 preliminary samples are shown in Table 5E.2.
a. Set up 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 distribution?
Transcribed Image Text:
Sample Number x, 15.8 16.3 16.2 16.1 16.6 16.3 15.9 15.9 16.2 16.4 16.1 16.2 16.5 16.4 16.3 16.3 16.2 15.9 16.4 16.2 16.1 16.1 16.4 16.5 16.0 16.1 15.8 16.7 16.6 16.4 16.1 16.3 16.5 16.1 16.5 16.2 16.1 16.2 16.1 16.3 16.3 16.2 16.4 16.3 16.5 16.6 16.3 16.4 16.1 16.5 16.2 16.4 15.9 16.3 16.4 15.9 16.6 16.7 16.2 16.5 16.4 16.1 16.6 16.4 16.1 16.5 16.3 16.2 16.3 16.4 16.4 16.1 16.3 16.2 16.2 16.0 16.2 16.3 16.3 16.2 16.4 16.2 16.4 16.3 16.2 16.0 16.2 16.4 16.5 16.1 16.4 16.0 16.3 16.4 16.4 16.4 16.4 16.5 16.0 15.8 10 12 13 14 15 16 17 18 19 20
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Related Book For
Managing Controlling and Improving Quality
ISBN: 978-0471697916
1st edition
Authors: Douglas C. Montgomery, Cheryl L. Jennings, Michele E. Pfund
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