The weighted average is 2.
The coordinate -3 has a weight of 2, and the coordinate 4 has a weight of 5.
This will be the sum of the product of each coordinate and it's weight divides by the sum of the weights.
Therefore, the average will be:
= (-2 × 3) + (5 × 4)/(2 + 5)
= (-6 + 20)/7
= 14/7
= 2
The weighted average is 2.
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