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Question: lew file edit view go tools window help hwr money...

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lew File Edit View Go Tools Window Help HWr Money Pit.pdt (1 page) Q Search Money Pit The Money Pit Mortgage Company is interested in monitoring the performance of the mortgage process. Fifteen samples of five completed mortgage transactions each were taken during a period when the process was believed to be in control. The times to complete the transactions were measured. The means and the ranges of the mortgage process transaction times, measured in days, as follows: Sample12 3 4 5 6 7 9 10 11 12 13 14 15 Range 16 14 15 10 10 11 6 9 11 13 Subsequently, samples of size 5 were taken from the process every week for the next 10 weeks. The 8 9 14 12 times were measured and the following results obtained: Sample 16 17 18 19 20 21 22 23 24 25 Range 7 Mean 11 14 15 17 19 13 20 18 A. B. Construct the control charts for the mean and the range, using the original 15 samples. On the control charts developed in part A, plot the values from samples 16 through 25 and comment on whether the process is in control.
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