Asked by Cameron Brown on Jul 14, 2024

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The usual purpose of an R-chart is to signal whether there has been a

A) gain or loss in dispersion.
B) change in the percent defective in a sample.
C) change in the central tendency of the process output.
D) change in the number of defects in a sample.
E) change in sample size.

R-chart

A control chart used for monitoring the range of variability of a process over a period of time.

Dispersion

The measure of how spread out or scattered values are in a data set, indicating the variability or inconsistency in the data.

  • Comprehend the objective of x-bar and R-charts in detecting shifts in process output.
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DL
Denessa LearyJul 19, 2024
Final Answer :
A
Explanation :
An R-chart is used to monitor the variability or dispersion of a process over time. It shows whether there has been a gain or loss in dispersion by plotting the range of each subgroup. This helps in identifying if there is any change in the spread of the process output.