A Survey of Salary Increases Received During a Recent Year

Multiple Choice

A survey of salary increases received during a recent year by 44 working MBA students is shown. Find the approximate mean percent raise. $$\begin{array} { c c } \text { Percent Increase } & \text { Number } \\0 \text { but less than } 2 & 3 \\2 \text { but less than } 4 & 4 \\4 \text { but less than } 6 & 10 \\6 \text { but less than } 10 & 27 \\\text { Total } & 44\end{array}$$

A) 6.56
B) 6.74
C) 5.90
D) 6.39