$19.$Based on the following information and control chart, you are not sure whether a process is in control or not. You decide to do a pattern test. The values shown in the following table will help you develop your chart. Divide the chart into zones A$,$ B$,$ and C and identify ALL patterns being displayed. Briefly explain each pattern and determine whether the process is in control or not.$\backslash$table$[[-3$ std$.$ dev.,$-2$ std$.$ dev.,$-1$ std$.$ dev.,CL$,+1$ std$.$ dev.,$+2$ std$.$ dev.,$+3$ std$.$ dev.,$\backslash$table$[[$Sample$],[$values$]]],[1,2,3,4,5,6,7,1\mathrm{.}5],[1,2,3,4,5,6,7,1\mathrm{.}8],[1,2,3,4,5,6,7,3\mathrm{.}8],[1,2,3,4,5,6,7,4\mathrm{.}4],[1,2,3,4,5,6,7,4\mathrm{.}6],[1,2,3,4,5,6,7,4\mathrm{.}8],[1,2,3,4,5,6,7,5],[1,2,3,4,5,6,7,5\mathrm{.}2],[1,2,3,4,5,6,7,4],[1,2,3,4,5,6,7,3\mathrm{.}8],[1,2,3,4,5,6,7,3\mathrm{.}6],[1,2,3,4,5,6,7,3\mathrm{.}7],[1,2,3,4,5,6,7,2\mathrm{.}8],[1,2,3,4,5,6,7,2\mathrm{.}2],[1,2,3,4,5,6,7,3],[1,2,3,4,5,6,7,3\mathrm{.}1],[1,2,3,4,5,6,7,3\mathrm{.}3],[1,2,3,4,5,6,7,5],[1,2,3,4,5,6,7,4\mathrm{.}8]]$