Q$15)$ Problem $7\mathrm{.}26$ textbook page $244($shown in the pdf$).$ Assume each tour is the same area. Do the following: State the rule$($all$),$ chart type and data points out of control $($if any$).$ If not in control place chart in control $(10$ Percent$)$

$7\mathrm{.}26.$ Rochester$-$Electro$-$Medical Inc. is a manufacturing company based in Tampa, Florida, that produces medical products. Recently, management felt the need to improve the safety of the workplace and began a safety sampling study. The data that follow represent the number of unsafe acts observed by the company safety director over an initial time period in which the study was carried out $($see $?$ SAFETY$)$:

Source: H$.$ Gitlow, A$.$ R$.$ Berkins, and

M$.$ He$,$ "Safcty Sampling: A Case

Study," Quality Engineering, $14,$

$2002,$ pp$.405-419.$

a$.$ Construct an appropriate control chart for the number of unsafe acts.

b$.$ According to the results of part a $,$ is the process in a state of statistical control?

c$.$ If not, when is the process out of control?