SOFTWARE PROJECT MANAGEMENT
QUALITY MANAGEMENT
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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The range (R) chart picks up changes in the average output from the process.
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True
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False
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Either A or B
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None of the above
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Explanation:
Detailed explanation-1: -An X-bar and R (range) chart is a pair of control charts used with processes that have a subgroup size of two or more. The standard chart for variables data, X-bar and R charts help determine if a process is stable and predictable.
Detailed explanation-2: -X bar R chart is used to monitor the process performance of continuous data. You can also use them to collect data from subgroups at set time periods. It is actually two plots to monitor the process mean and the process variation over time and is an example of statistical process control.
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