Use the range rule of thumb to estimate the standard deviation to the nearest tenth.
-$\begin{array} { l l l l l l } 3.5 & 1.6 & 2.4 & 3.7 & 4.1 & 3.9 \end{array}$
$\begin{array} { l l l l l l } 1.0 & 3.6 & 4.2 & 3.4 & 3.7 & 2.2 \end{array}$
A)12.0
B)1.1
C)1.4
D)0.8

Question

Quizplus · Accepted Answer

The range rule of thumb estimates the standard deviation as the range divided by 4. The range is 4.2 - 1.0 = 3.2, so the estimated standard deviation is 3.2 / 4 = 0.8.

Use the Range Rule of Thumb to Estimate the Standard 3.51.62.43.74.13.9\begin{array} { l l l l l l } 3.5 & 1.6 & 2.4 & 3.7 & 4.1 & 3.9 \end{array}3.5​1.6​2.4​3.7​4.1​3.9​

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