Use the range rule of thumb to estimate the standard deviation. Round results to the nearest tenth.
-The heights in feet of people who work in an office are as follows. $$\begin{array} { l l l l l l l l l l }
5.9 & 5.5 & 5.8 & 5.4 & 5.6 & 5.7 & 5.9 & 6.2 & 5.8 & 5.7
\end{array}$$
A) 1.2
B) 0.2
C) 0.1
D) 0.5

Question

Use the range rule of thumb to estimate the standard deviation. Round results to the nearest tenth.
-The heights in feet of people who work in an office are as follows. $$\begin{array} { l l l l l l l l l l } 
5.9 & 5.5 & 5.8 & 5.4 & 5.6 & 5.7 & 5.9 & 6.2 & 5.8 & 5.7
\end{array}$$
A) 1.2
B) 0.2
C) 0.1
D) 0.5

Quizplus · Accepted Answer

The range rule of thumb estimates the standard deviation as the range divided by 4. The range of the data is 6.2 - 5.4 = 0.8. Dividing by 4 gives 0.2.

Use the Range Rule of Thumb to Estimate the Standard 5.95.55.85.45.65.75.96.25.85.7\begin{array} { l l l l l l l l l l } 5.9 & 5.5 & 5.8 & 5.4 & 5.6 & 5.7 & 5.9 & 6.2 & 5.8 & 5.7\end{array}5.9​5.5​5.8​5.4​5.6​5.7​5.9​6.2​5.8​5.7​

Use the Range Rule of Thumb to Estimate the Standard $\begin{array} { l l l l l l l l l l } 5.9 & 5.5 & 5.8 & 5.4 & 5.6 & 5.7 & 5.9 & 6.2 & 5.8 & 5.7\end{array}$