Below Is a Sample of Scores from a Professor's Most $$\begin{array} { l l } \text { Student } & \text { Score } \\1 & 83 \\2 & 91 \\3 & 79 \\4 & 99 \\5 & 88 \\6 & 81 \\7 & 95\end{array}$$

Essay

Below is a sample of scores from a professor's most recent exam. $$\begin{array} { l l } \text { Student } & \text { Score } \\1 & 83 \\2 & 91 \\3 & 79 \\4 & 99 \\5 & 88 \\6 & 81 \\7 & 95\end{array}$$ Calculate the following.
a.
The mean
b.
The standard deviation
c.
The 65^th percentile