A Manufacturer Monitors the Level of Defects in the Television $$\begin{array} { l l l l l l l l l l l l } 4 & 7 & 5 & 6 & 8 & 3 & 12 & 4 & 4 & 5 & 6 & 2\end{array}$$

A manufacturer monitors the level of defects in the television sets that it produces. Each week, 200 television
sets are randomly selected and tested and the number of defects is recorded. The results for 12 consecutive
weeks are shown below. $$\begin{array} { l l l l l l l l l l l l } 4 & 7 & 5 & 6 & 8 & 3 & 12 & 4 & 4 & 5 & 6 & 2\end{array}$$