Construct normal probability plots for two groups of the data: the first 40 and the last 40
Question:
Construct normal probability plots for two groups of the data: the first 40 and the last 40 observations. Construct both plots on the same axes.
What tentative conclusions can you draw?
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Related Book For
Applied Statistics And Probability For Engineers
ISBN: 9780471204541
3rd Edition
Authors: Douglas C. Montgomery, George C. Runger
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