The Data Set Below Consists of the Scores of 15 $$\begin{array} { l l l l l } 90 & 90 & 91 & 91 & 89 \\90 & 89 & 91 & 91 & 90 \\60 & 90 & 89 & 90 & 91\end{array}$$

Essay

The data set below consists of the scores of 15 students on a quiz. For this data set, which measure of variation do you think is more appropriate, the range or the standard deviation? Explain your thinking.

$$\begin{array} { l l l l l } 90 & 90 & 91 & 91 & 89 \\90 & 89 & 91 & 91 & 90 \\60 & 90 & 89 & 90 & 91\end{array}$$