21
40
91
96
Correct answer is C
Let x rep. number of goals
\begin{array}{c|c} "f & " & frequency\\\hline x & f & fx\\ 0 & 4 & 0\\1 & 3 & 3\\2 & 15 & 30\\3 & 16 & 48\\4 & 1 & 4\\5 & 0 & 0 \\ 6 & 1 & 6\end{array}
\sum fx = 91
Total number of goals scored is \sum fx= 91
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