The table below specifies the X-bar and R values for 24 samples, each of which is 5
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Question:
The table below specifies the X-bar and R values for 24 samples, each of which is 5 in size, from a process.
a) Create X-bar and R charts for this process. Indicate whether the process is under control.
b) If the specifications for the product obtained from the process are 30 + - 10, find the proportion of incompatible (non-compliant) products produced by the process under the assumption of normal distribution.
Related Book For
Probability and Statistics for Engineers and Scientists
ISBN: 978-0495107576
3rd edition
Authors: Anthony Hayter
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