Question: Identify the correct statement(s): a. In process control by variables, measurements of items produced by a process are taken to determine quality b. Bar X
Identify the correct statement(s):
a. In process control by variables, measurements of items produced by a process are taken to determine quality
b. Bar X chart is used to monitor the average measurement of a sample of items produced by a process
c. R chart is used to monitor the range of measurements of a sample of items produced by a process
d. All the above statements are correct
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