Wolfram Math World: Weighted Mean
http://mathworld.wolfram.com/WeightedMean.html


This site explains how to calculate weighted means in a more sophisticated manner, e.g., summations.

This description of a site outside SERC has not been vetted by SERC staff and may be incomplete or incorrect. If you have information we can use to flesh out or correct this record let us know.



Subject: Mathematics
Resource Type: Activities:Classroom Activity
Special Interest: Quantitative
Grade Level: College Lower (13-14), College Upper (15-16), Middle (6-8), High School (9-12), Intermediate (3-5)
Quantitative Skills: Probability and Statistics:Describing Data Distribution