The weighted average of the coordinates is of 5.
The weighted mean is given by the sum of all elements in a data-set multiplied by it's weight, divided by the sum of the weights.
This data-set is composed by:
Hence the weighted average is:
M = (3 x 2 + 7 x 2)/(2 + 2) = 20/4 = 5.
The weighted average of the coordinates is of 5.
More can be learned about the weighted mean at https://brainly.com/question/24398353
#SPJ1