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Aptitude Topics

Weighted Average

Calculates an average value where certain data components have higher contextual value than others.

Fundamental Principles

Weighted Mean

The sum of the product of weights and corresponding values, divided by the sum of total weights.

Essential Formulation Tips

  • Identify clearly what represents the values and what constitutes the weights.
  • Weights can be quantities, percentages, ratios, or frequencies.

Shortcut Execution Techniques

  • You can simplify weights by reducing them to their simplest ratio form to calculate answers faster.

Contextual Inquiries (FAQs)

Q: When do we use weighted average?

A: When combining items of varying importance, like semester grades with different course credit hours.