Statistics and probability
Weighted mean
A mean in which values contribute in proportion to assigned weights.
Common notation x̄_w=Σwᵢxᵢ/Σwᵢ
In one sentence
What does Weighted mean mean?
A mean in which values contribute in proportion to assigned weights.
How it is written
x̄_w=Σwᵢxᵢ/Σwᵢ
A compact example
Scores 80 and 90 weighted 1 and 3 have weighted mean 87.5.
Other names and search terms
weighted average.
Clear answers
Questions about Weighted mean
What does Weighted mean mean in mathematics?
A mean in which values contribute in proportion to assigned weights.
How is Weighted mean written?
A common notation is x̄_w=Σwᵢxᵢ/Σwᵢ.
What is an example of Weighted mean?
Scores 80 and 90 weighted 1 and 3 have weighted mean 87.5.