A Little League Manager Keeps a Record Book Showing the Statistics

Essay

A Little League manager keeps a record book showing the statistics for his players. The first few lines of the record book show: $$\begin{array} { l l l l } \text { Player } & \text { At Bats } & \text { Hits } & \text { Average } \\\text { Brett } & 142 & 37 & .261 \\\text { Mike } & 128 & 32 & .250 \\\text { Carlos } & 128 & 35 & .273 \\\text { John } & 123 & 36 & .293\end{array}$$ What are the individuals and the variables in these data?