Q:

# How do you calculate a weighted average?

A:

Calculate the weighted average of a data set using the formula w1x1 + w2x2 + … wnxn. It involves multiplying each number by its weight and then summing up their products. You need the data values, or x, and the data value's weights, or w.

## Keep Learning

1. Determine the data values

Determine the value of each data in the set. These are referred to as "x" in the formula.

2. Find the product of w and x

Multiply each data value, x, by its weight, w.

3. Calculate the weighted average

Using the formula for finding a weighted average, find the sum of all the products of the numbers and their respective weights. This is the weighted average.

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