What is weighted average? Under what conditions weighted average is pr

Question

What is weighted average? Under what conditions weighted average is preferable to a simple average?

21 Feb 2025

Answer :

Word Count : 302

A weighted average is a calculation that adjusts the average of a set of values based on their respective importance or frequency. Unlike a simple average, which treats all values equally, a weighted average assigns different weights to each value, reflecting its significance. The formula for calculating a weighted average is:

Weighted Average=∑(wi×xi)∑wi\text{Weighted Average} = \frac{\sum (w_i \times x_i)}{\sum w_i}

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