Use the Range Rule of Thumb to Estimate the Standard $$\begin{array} { l l l l l l l l } 113.9 & 114.0 & 116.4 & 115.0 & 116.0 & 115.6 & 112.7 & 115.5\end{array}$$

Multiple Choice

Use the range rule of thumb to estimate the standard deviation. Round results to the nearest tenth.
-The following is a set of data showing the water temperature in a heated tub at different time intervals.
$$\begin{array} { l l l l l l l l } 113.9 & 114.0 & 116.4 & 115.0 & 116.0 & 115.6 & 112.7 & 115.5\end{array}$$

A) 1.2
B) -55.9
C) 0.7
D) 0.9