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Algebra_4
Chapter 92
Problem 3
Select a different problem
Example:
Jack's test scores were 75, 80, 88, and 93.
What was the weighted average of his scores if the tests were weighted 1, 2, 3, and 4 in that order?
The weighted average can be written as
Try this solution by entering (1*75+2*80+3*88+4*93)/(1+2+3+4) into the
Graphing Calculator below in the
Function f(x) = box .
Click on the
Plot Graph button.
The answer will appear below the Function f(x)=box as f(x) = 87.1
