For the Following Data,N = _____ $$\begin{array} { c c } X & \mathrm { f } \\\hline 4 & 2 \\3 & 4 \\2 & 3 \\1 & 2\end{array}$$

For the following data,N = _____. $$\begin{array} { c c } X & \mathrm { f } \\\hline 4 & 2 \\3 & 4 \\2 & 3 \\1 & 2\end{array}$$

A) 10
B) 11
C) 28
D) Cannot be determined from the table