The Race Speeds (In Minutes) for the Top Eight Cars $$\begin{array} { l l l l l l l l } 181.0 & 180.6 & 189.2 & 182.2 & 175.6 & 180.0 & 177.9 & 181.8\end{array}$$

question 83

Multiple Choice

The race speeds (in minutes) for the top eight cars in a 200-mile race are listed below. Use the range rule of thumb to estimate the standard deviation. Round results to the nearest tenth. $$\begin{array} { l l l l l l l l } 181.0 & 180.6 & 189.2 & 182.2 & 175.6 & 180.0 & 177.9 & 181.8\end{array}$$

• A) 7.5 minutes
• B) 6.8 minutes
• C) 3.4 minutes
• D) 1.1 minutes

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