Find the Margin of Error $$\begin{array} { l l l l l } 7 & 10 & 14 & 15 & 15 \\5 & 12 & 15 & 11 & 11\end{array}$$

Multiple Choice

Find the margin of error.
-The football coach randomly selected ten players and timed how long each player took to perform a certain drill. the times (in minutes) were:
$$\begin{array} { l l l l l } 7 & 10 & 14 & 15 & 15 \\5 & 12 & 15 & 11 & 11\end{array}$$
Find a 95 percent confidence interval for the population standard deviation $\sigma$ .

A) (0.7, 2.2)
B) (2.4, 5.8)
C) (2.4, 6.3)
D) (2.3, 5.8)