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. $$\begin{array} { l l l l l l l l }
114.7 & 113.5 & 116.7 & 113.7 & 115.5 & 115.1 & 112.8 & 113.3
\end{array}$$
A) 0.8
B) 1.3
C) 1.0
D) -55.9

Question

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. $$\begin{array} { l l l l l l l l } 
114.7 & 113.5 & 116.7 & 113.7 & 115.5 & 115.1 & 112.8 & 113.3
\end{array}$$
A) 0.8
B) 1.3
C) 1.0
D) -55.9

Quizplus · Accepted Answer

The range is 116.7 - 112.8 = 3.9. The range rule of thumb states that the standard deviation is approximately equal to the range divided by 4. Therefore, the standard deviation is approximately equal to 3.9 / 4 = 0.98, which rounds to 1.0.

Use the Range Rule of Thumb to Estimate the Standard 114.7113.5116.7113.7115.5115.1112.8113.3\begin{array} { l l l l l l l l } 114.7 & 113.5 & 116.7 & 113.7 & 115.5 & 115.1 & 112.8 & 113.3\end{array}114.7​113.5​116.7​113.7​115.5​115.1​112.8​113.3​

Use the Range Rule of Thumb to Estimate the Standard $\begin{array} { l l l l l l l l } 114.7 & 113.5 & 116.7 & 113.7 & 115.5 & 115.1 & 112.8 & 113.3\end{array}$