The following table gives the amount of time X, in seconds, by which an automated manufacturing process
Question:
The following table gives the amount of time X, in seconds, by which an automated manufacturing process misses the designed completion time when performing a certain task. Negative values indicate early completion, and positive values late completion.
(a) Find the mean and the variance of X.
(b) On average, how do the completion times for this particular task compare with the designed completion times?
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Related Book For
Statistics For Business And Financial Economics
ISBN: 9781461458975
3rd Edition
Authors: Cheng Few Lee , John C Lee , Alice C Lee
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