control chart hw

\begin{tabular}{|r|r|r|} \hline & Defects \\ \hline 1 & 10 & \\ \hline 2 & 10 & \\ \hline 3 & 11 & \\ \hline 4 & 4 & \\ \hline 5 & 4 & \\ \hline 6 & 9 & \\ \hline & 4 & \\ \hline 8 & 4 & \\ \hline 9 & 11 & \\ \hline 10 & 11 & \\ \hline 11 & 12 & \\ \hline 12 & 9 & \\ \hline 13 & 10 & \\ \hline 14 & 6 & \\ \hline 15 & 3 & \\ \hline 16 & 2 & \\ \hline 17 & 6 & \\ \hline 18 & 4 & \\ \hline 19 & 9 & \\ \hline 20 & 1 & \\ \hline 21 & 5 & \\ \hline 22 & 12 & \\ \hline 23 & 7 & \\ \hline 24 & 10 & \\ \hline 25 & 8 & \\ \hline \end{tabular} \begin{tabular}{|r|r|} \hline 2 & 6 \\ \hline 3 & 3 \\ \hline 4 & 1 \\ \hline 5 & 1 \\ \hline 6 & 3 \\ \hline 7 & 2 \\ \hline 8 & 1 \\ \hline 9 & 6 \\ \hline 10 & 5 \\ \hline 11 & 5 \\ \hline 12 & 1 \\ \hline 13 & 3 \\ \hline 14 & 1 \\ \hline 15 & 2 \\ \hline 16 & 6 \\ \hline 17 & 0 \\ \hline 18 & 0 \\ \hline 19 & 4 \\ \hline 20 & 2 \\ \hline 21 & 5 \\ \hline 22 & 4 \\ \hline 23 & 4 \\ \hline 24 & 1 \\ \hline 25 & 2 \\ \hline \end{tabular}