Weighted imp. & p. p. : of Weight

Example:
What is the difference between Weighted Keys and Weighted Scaled Hammer Action Keys?

Taxonomy
weighted mean, variance, weighted sample, relative weights, normalized, sample mean, data points, sample variance, standard deviation, values, weighted average, free encyclopedia, number of students, student grade, quantity, sum, deviations, expectation.

Defination from the web:
weighted mean is similar to an arithmetic mean (the most common type of average), where instead of each of the data points contributing ... The notion of weighted mean plays a role in descriptive statistics and also occurs in a more general form in several other areas of mathematics. ...