Problem 44156. Weighted average

Compute the weighted average Y, of the vector A, given the weight vector W.

The weighted average is the sum of the dot product of A and W, normalized by the sum of W.

Example 1:

A = [10 15 20 10];
W = [ 1  1  1  1];
Y = 13.75

Example 2:

A = [  10    15   20   10];
W = [0.25  0.25 0.25 0.25];
Y = 13.75

Example 3:

A = [10 15 20 10];
W = [ 2  4  4  2];
Y = 15
Solve

Solution Stats

45.71% Correct | 54.29% Incorrect
Last Solution submitted on Nov 20, 2024

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