Use the range rule of thumb to approximate the standard deviation.
-The heights in feet of people who work in an office are as follows. Round results to the nearest tenth. $\begin{array} { l l l l l l l l l l } 5.9 & 6.0 & 5.5 & 5.4 & 5.9 & 5.5 & 5.6 & 6.2 & 5.8 & 5.5 \end{array}$
A) $0.1$
B) $1.2$
C) $0.2$
D) $0.5$

Question

Quizplus · Accepted Answer

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

Use the Range Rule of Thumb to Approximate the Standard 5.96.05.55.45.95.55.66.25.85.5\begin{array} { l l l l l l l l l l } 5.9 & 6.0 & 5.5 & 5.4 & 5.9 & 5.5 & 5.6 & 6.2 & 5.8 & 5.5 \end{array}5.9​6.0​5.5​5.4​5.9​5.5​5.6​6.2​5.8​5.5​

Use the Range Rule of Thumb to Approximate the Standard $\begin{array} { l l l l l l l l l l } 5.9 & 6.0 & 5.5 & 5.4 & 5.9 & 5.5 & 5.6 & 6.2 & 5.8 & 5.5 \end{array}$