Listed Below Is the Number of Tickets Issued by a Local

Essay

Listed below is the number of tickets issued by a local police department. Assuming that the data is normally
distributed, test the claim that the standard deviation for the data is 15 tickets. Use $\alpha$ = 0.01. $$\begin{array} { l l l l l l l } 70 & 48 & 41 & 68 & 69 & 55 & 70 \\57 & 60 & 83 & 32 & 60 & 72 & 58\end{array}$$