When calculating a weighted mean, the weights need to sum to 1.0.

Name: When calculating a weighted mean, the weights need to sum to 1.0.
Brand: Quizplus
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Question

Quizplus · Accepted Answer

While it's common for weights to sum to 1.0 in many applications of weighted mean for normalization purposes, it's not a strict requirement. The weighted mean can still be calculated as long as the weights are consistent with the importance or frequency they are supposed to represent; they can be normalized if needed.

When Calculating a Weighted Mean, the Weights Need to Sum