weighted average

  

Definition

Mean in which each item being averaged is multiplied by a number (weight) based on the item's relative importance. The result is summed and the total is divided by the sum of the weights. Weighted averages are used extensively in descriptive statistical analysis such as index numbers. Also called weighted mean.

Use weighted average in a sentence

  • The final exam for Ms. Merkel's European economics class is worth 35% of the total grade, and class participation is worth 65%; she is using a weighted average to calculate the final grade for each student.

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  • You need to figure out the weighted average for your stats so that you know you are using the correct numbers.

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  • The weighted average of the equation indicated useful information in summarizing our position in the market with respect to sales volume.

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