Question: Constructing an s Chart In this section we described control charts for R and based on ranges. Control charts for monitoring variation and center (mean)
Constructing an s Chart In this section we described control charts for R and based on ranges. Control charts for monitoring variation and center (mean) can also be based on standard deviations. An s chart for monitoring variation is made by plotting sample standard deviations with a centerline at (the mean of the sample standard deviations) and control limits at B4 and B3 , where B4 and B3 are found in Table 13-2.
Construct an s chart for the data of Table 13-1. Compare the result to the R chart given in this section.
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