Solve the Problem $187.5\quad185.7\quad189.2\quad186.7\quad175.6\quad188.3\quad179.7\quad185.4$ A)11
B)3

Solve the problem.
-The race speeds for the top eight cars in a 200-mile race are listed below. Use the range rule of thumb to find the standard deviation. Round results to the nearest tenth. $187.5\quad185.7\quad189.2\quad186.7\quad175.6\quad188.3\quad179.7\quad185.4$

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