1 Weighted Average Calculator

Weighted Average Calculator

Weighted average calculator and calculation. Weighted mean calculator.

Weight Data number
Weighted average:
Total of weights:

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Weighted average calculation

The weighted average (x) is equal to the sum of the product of the weight (wi) times the data number (xi) divided by the sum of the weights:

weighted average


Find the weighted average of class grades (with equal weight) 70,70,80,80,80,90:

Since the weight of all grades are equal, we can calculate these grades with simple average or we can cound how many times each grade apear and use weighted average.


x = (2×70+3×80+1×90) / (2+3+1) = 470 / 6 = 78.33333


See also

Do my Math Homework 1
Frequently, when comprehending conditions, the accompanying changes are utilized: Replacement of articulations that are in the left and right sides of the condition, indistinguishably equivalent articulations. Adding a similar number to the two sides of the condition or subtracting a similar number from the two sides of the condition. Adding to the two sides of the condition of a similar articulation or subtracting from the two sides of the condition of a similar articulation. The exchange of the term starting with one piece of the condition then onto the next with the sign changed to the inverse. Increase or separation the two sides of the condition by the equivalent non-zero number. Augmentation or division of the two sides of the condition by a similar articulation.

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