EmojiKaomoji

Statistics · central tendency

Weighted Mean Formula

Finds an average when observations carry different weights.

x̄_w = (Σwᵢxᵢ) / Σwᵢ

Variables

x̄_w
weighted mean
wᵢ
weights
xᵢ
values

Reference details

Subject
Statistics
Topic
central tendency
Plain text
x-bar_w = sum w_i x_i / sum w_i

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