For the Following Questions, Consider the Dataset Below Collected from a Sample

Multiple Choice

For the following questions, consider the dataset below collected from a sample of trainees:
$\begin{array}{ccc} & \text { Training } & \text { Test score } \\\hline 1 & \text { A } & 12 \\2 & \text { A } & 9 \\3 & \text { B } & 6 \\4 & \text { B } & 10 \\5 & \text { C } & 30 \\\hline\end{array}$ Test scores represent the number of test questions trainees answered correctly on the post-training survey.
-What is N in the dataset above?

A) 2
B) 5
C) 10
D) cannot be determined from the dataset provided