a) the upper and lower 3 sigma control chart

The results of inspection of DNA samples taken over the past 10 days are given below. Sample size is 100 . \begin{tabular}{|c|c|c|c|c|c|c|c|c|c|c|} \hline Day & 1 & 2 & 3 & 4 & 5 & 6 & 7 & 8 & 9 & 10 \\ \hline Defectives & 3 & 5 & 5 & 6 & 3 & 3 & 1 & 3 & 6 & 2 \\ \hline \end{tabular} The results of inspection of DNA samples taken over the past 10 days are given below. Sample size is 100 . \begin{tabular}{|c|c|c|c|c|c|c|c|c|c|c|} \hline Day & 1 & 2 & 3 & 4 & 5 & 6 & 7 & 8 & 9 & 10 \\ \hline Defectives & 3 & 5 & 5 & 6 & 3 & 3 & 1 & 3 & 6 & 2 \\ \hline \end{tabular}