Use the Range Rule of Thumb to Approximate the Standard $\begin{array} { l l l l l l } 3.5 & 1.6 & 2.4 & 3.7 & 4.1 & 3.9 \end{array}$

Multiple Choice

Use the range rule of thumb to approximate the standard deviation.
- $\begin{array} { l l l l l l } 3.5 & 1.6 & 2.4 & 3.7 & 4.1 & 3.9 \end{array}$
$\begin{array} { l l l l l l } 1.0 & 3.6 & 4.2 & 3.4 & 3.7 & 2.2 \end{array}$

A) $1.09$
B) $1.4$
C) $0.8$
D) $12.03$