Use the range rule of thumb to estimate the standard deviation. Round results to the nearest tenth.
-The race speeds for the top eight cars in a 200-mile race are listed below.
$$\begin{array} { l l l l l l l l }
188.8 & 183.0 & 189.2 & 182.1 & 175.6 & 184.6 & 178.3 & 179.4
\end{array}$$
A) 7.5
B) 3.4
C) 6.8
D) 1.1

Question

Use the range rule of thumb to estimate the standard deviation. Round results to the nearest tenth.
-The race speeds for the top eight cars in a 200-mile race are listed below. 
$$\begin{array} { l l l l l l l l } 
188.8 & 183.0 & 189.2 & 182.1 & 175.6 & 184.6 & 178.3 & 179.4
\end{array}$$
A) 7.5
B) 3.4
C) 6.8
D) 1.1

Quizplus · Accepted Answer

The Answer of Use the range rule of thumb to estimate the standard deviation. Round results to the nearest tenth.
-The race speeds for the top eight cars in a 200-mile race are listed below. 
$$\begin{array} { l l l l l l l l } 
188.8 & 183.0 & 189.2 & 182.1 & 175.6 & 184.6 & 178.3 & 179.4
\end{array}$$
A) 7.5
B) 3.4
C) 6.8
D) 1.1

Use the Range Rule of Thumb to Estimate the Standard 188.8183.0189.2182.1175.6184.6178.3179.4\begin{array} { l l l l l l l l } 188.8 & 183.0 & 189.2 & 182.1 & 175.6 & 184.6 & 178.3 & 179.4\end{array}188.8​183.0​189.2​182.1​175.6​184.6​178.3​179.4​

Use the Range Rule of Thumb to Estimate the Standard $\begin{array} { l l l l l l l l } 188.8 & 183.0 & 189.2 & 182.1 & 175.6 & 184.6 & 178.3 & 179.4\end{array}$