$7\mathrm{.}3$ Top management of the Royal Scottish Bank monitors the volume of activity at $38$ branch banks with control charts. If deposit volume $($or any of perhaps a dozen other volume indicators$)$ at a branch falls below the LCL$,$ there is apparently some problem with the branch$$s market share. If$,$ on the other hand, the volume exceeds the UCL, it means that the branch should be considered for expansion or that a new branch might be opened in an adjacent neighborhood.