Find the Range and Standard Deviation for Each of the Two

Find the range and standard deviation for each of the two samples, then compare the two sets of results.
-When investigating times required for drive-through service, the following results (in seconds) were obtained. $\begin{array}{l|l|l|l|l|l|l|l|l}\text { Restaurant A } & 120 & 123 & 153 & 128 & 124 & 118 & 154 & 110 \\\hline \text { Restaurant B } & 115 & 126 & 147 & 156 & 118 & 110 & 145 & 137\end{array}$

A)
Restaurant A: $46; 16.9$
Restaurant B: $44; 16.2$
Both measures indicate there is more variation in the data for restaurant A than the data for restaurant $B$ .

B) Restaurant A: $44; 16.2$
Restaurant B: $46; 16.9$
Both measures indicate there is more variation in the data for restaurant $B$ than the data for restaurant A.

C) Restaurant A: $44; 16.1$
Restaurant B: $46; 16.9$
Both measures indicate there is more variation in the data for restaurant $B$ than the data for restaurant A.

D) Restaurant A: $46; 16.2$
Restaurant B: $44; 16.9$
It is inconclusive as to which data set has more variation.