The Money Pit Mortage Company made some changes to the process and undertook a process capability study. The following data were obtained for $15$ samples size $5.$ Based on the individual observations, management estimated the process standard deviation to be $4\mathrm{.}65$ days for use in the process capabilities analysis. The lower and upper specification limits $($in days$)$ for the mortgage process were $6$ and $22.$ Table $2($a$)$ summarize the data for the capability study.