The mean difference in the game scores over the five games is = 5
The points achieved by the various team players =
- won by 7,
- lost by 3,
- won by 4,
- lost by 2,
- won by 9.
To obtain the mean of the points achieved from the five
games the five scores are added together and divided by the number of games which is 5.
That is,
[tex] \frac{7 + 3 + 4 + 2 + 9}{5} [/tex]
[tex] \frac{25}{5} = 5[/tex]
Therefore the mean difference in game scores over the five games is = 5
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