Question 1

What is a Weighted Average?

Accepted Answer

A weighted average assigns different importance to different values before averaging. Used when some observations should count more than others — such as course grades with different credit hours.

Question 2

How does the Weighted Average work?

Accepted Answer

WA = Σ(wᵢ × xᵢ) / Σwᵢ Then: Weights need not sum to 1 Then: Equal weights → ordinary arithmetic mean.

Question 3

Can you give an example of how to use the Weighted Average?

Accepted Answer

Example: Input Exam 60% weight (score 75) · Coursework 40% (score 85) gives a result of WA = 0.6×75 + 0.4×85 = 79 (Exam pulls grade down due to higher weight).

Question 4

Is the Weighted Average free to use?

Accepted Answer

Yes — completely free with no registration, download, or subscription required. All calculations happen instantly in your browser.

Question 5

How accurate is the Weighted Average?

Accepted Answer

Our Weighted Average uses verified mathematical formulas and is accurate to multiple decimal places. Results are calculated in real-time using the same methods used by professionals.

Question 6

Is this Weighted Average medically accurate?

Accepted Answer

This tool uses clinically recognised formulas for general information and educational purposes. It is not a substitute for professional medical advice. Always consult a qualified healthcare provider for medical decisions.

Weighted Average

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What is Weighted Average?

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