A Basketball Player Has Been Keeping Track of His Free

Short Answer

A basketball player has been keeping track of his free throw shooting practice over the summer.Each day that he practices,he shoots 150 free throws and counts his misses.The following table indicates how he has done over the last 20 practices.
$$\begin{array} { | c | c | c | c | } \hline \text { Day } & \text { Number af Mis5es } & \text { Day } & \text { Number af Mis5es } \\\hline 1 & 4 [ & 11 & 4 0\\\hline 2 & 36 & 12 & 41 \\\hline 3 & 35 & 13 & 39 \\\hline 4 & 41 & 14 & 39 \\\hline 5 & 4 0 & 15 & 37 \\\hline 6 & 46 & 16 & 44 \\\hline 7 & 38 & 17 & 41 \\\hline 8 & 40 & 18 & 38 \\\hline 9 & 37 & 19 & 4 0 \\\hline 10 & 43 & 20 & 38 \\\hline\end{array}$$ Set up a 3-sigma control chart using the previous data.