The Distribution Is a Set of Scores Made by a Group

Essay

The distribution is a set of scores made by a group of 10 students on a quiz in the Psychology Learning course. $\begin{array}{cc}\quad\quad X \\\hline 35 & 23 \\32 & 22 \\ 29 & 19 \\ 24 & 16 \\ 23 & 10 \\\end{array}$
a. Compute $\sigma$ using the deviation method.
b. Compute $\sigma$ using the raw-score method.
c. Compute $\hat { S }$ using either method
d. What is the variance, $\sigma$ ²?
e. What is the range?