For the Population of Scores Shown in the Frequency Distribution $$\begin{array} { l l } \mathrm { X } & \mathrm { f } \\\hline 5 & 2 \\4 & 1 \\3 & 3 \\2 & 2 \\1 & 2 \\\hline\end{array}$$

Multiple Choice

For the population of scores shown in the frequency distribution table,the mean is ____.?? $$\begin{array} { l l } \mathrm { X } & \mathrm { f } \\\hline 5 & 2 \\4 & 1 \\3 & 3 \\2 & 2 \\1 & 2 \\\hline\end{array}$$ ?

A) ?15/5 = 3
B) ?15/10 = 1.50
C) ?29/5 = 5.80
D) ?29/10 = 2.90