Question

The table below shows the number of goals scored in 40 soccer matches during a certain season.

No. of goals	0	1	2	3	4	5	6	7
No. of matches	3	9	6	8	5	5	2	1

Calculate the mean number of goals scored per match. 

Answer 1

x̄ = Σƒx
       ∑ƒ
(3×0) + (9×1) + (6×2) + (8×3) + (5×4) + (5×5) + (2×6) + (1×7) = 0+9+12+24+20+25+12+7
=109
   39
=2.79
=3 goals