The Money Pa Mortgage Compary is interested in moniloring the portormance of the mortgage process. Fiteen samples of five completed mortgage transactions each were taken during a pariod when the process was believed to be in control. The times to complete the transactions were measued. The meons and ranges of the morigage process tranciction times, measured in dayn, are as follows: Subsequently, samples of size 5 were taken from the peocess every week for the next to weeks. The simes were measured and the following results cotained: Click the icon to view the tabie of factors for caiculating three-sigma limis for the x-chart and R-chan. a. Construct the control charts for the mean and the range, using the origins 15 samples. Reference Factors for calculating three-sigma limits for the x-chart and R-chart