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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. 

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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

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