Use the Range Rule of Thumb to Approximate the Standard $7.5$

question 194

Multiple Choice

Use the range rule of thumb to approximate the standard deviation.
-The race speeds for the top eight cars in a 200 -mile race are listed below. Round results to the nearest tenth.

• A) \(7.5\)
• B) \(6.8\)
• C) \(3.4\)
• D) \(1.1\)