Maurice Tutor

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    Argosy University/ Phoniex University/
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Category > Management Posted 13 Oct 2017 My Price 8.00

lower specification limit

In a ready-mix plant, cylindrical samples are prepared and tested periodically to detect any mix problem and to ensure that the compressive strength is higher than the lower specification limit. The minimum target value was set at 5,000 psi. The following compressive strength data were collected.

a. Calculate the mean, standard deviation, and the coefficient of variation of the data.

b. Using a spreadsheet program, create a control chart for these data showing the target value and the lower specification limit. Is the plant production meeting the specification requirement? If not, comment on possible reasons. Comment on the data scatter.

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Maurice Tutor
(5)
Status NEW Posted 13 Oct 2017 12:10 PM My Price 8.00

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