Use the range rule of thumb to estimate the standard deviation to the nearest tenth.
-The heights in feet of people who work in an office are as follows. $$\begin{array} { l l l l l l l l l l }
6.1 & 5.8 & 5.6 & 5.4 & 5.7 & 6.0 & 5.9 & 6.2 & 5.8 & 6.0
\end{array}$$
A)0.2
B)1.2
C)0.5
D)0.1

Question

Use the range rule of thumb to estimate the standard deviation to the nearest tenth.
-The heights in feet of people who work in an office are as follows. $$\begin{array} { l l l l l l l l l l } 
6.1 & 5.8 & 5.6 & 5.4 & 5.7 & 6.0 & 5.9 & 6.2 & 5.8 & 6.0
\end{array}$$
A)0.2
B)1.2
C)0.5
D)0.1

Quizplus · Accepted Answer

The range is 6.2 - 5.4 = 0.8. The range rule of thumb states that the standard deviation is about 1/4 of the range, so the estimated standard deviation is 0.8 / 4 = 0.2.

Use the Range Rule of Thumb to Estimate the Standard 6.15.85.65.45.76.05.96.25.86.0\begin{array} { l l l l l l l l l l } 6.1 & 5.8 & 5.6 & 5.4 & 5.7 & 6.0 & 5.9 & 6.2 & 5.8 & 6.0\end{array}6.1​5.8​5.6​5.4​5.7​6.0​5.9​6.2​5.8​6.0​

Use the Range Rule of Thumb to Estimate the Standard $\begin{array} { l l l l l l l l l l } 6.1 & 5.8 & 5.6 & 5.4 & 5.7 & 6.0 & 5.9 & 6.2 & 5.8 & 6.0\end{array}$