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Aggregate Percentage Formula:
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Aggregate percentage is a weighted average calculation that combines multiple subject percentages with their respective weights to produce an overall percentage score. This method is commonly used in educational grading systems, performance evaluations, and statistical analysis.
The calculator uses the aggregate percentage formula:
Where:
Explanation: Each subject's percentage is multiplied by its weight, all weighted scores are summed, and then divided by the total of all weights to get the final aggregate percentage.
Details: Aggregate percentage provides a fair and accurate representation of overall performance when different subjects or components have varying levels of importance. It ensures that more important subjects have a greater impact on the final result.
Tips: Enter percentage scores (0-100%) and corresponding weights for each subject. Add or remove subjects as needed using the buttons. All percentage values must be between 0-100, and weights must be positive numbers.
Q1: What is the difference between average and aggregate percentage?
A: Average percentage treats all subjects equally, while aggregate percentage applies different weights to different subjects based on their importance.
Q2: How do I determine the weights for each subject?
A: Weights are typically determined by credit hours, importance in curriculum, or specific institutional requirements. Higher weights indicate greater importance.
Q3: Can I use decimal values for percentages and weights?
A: Yes, the calculator accepts decimal values for both percentages and weights to ensure precise calculations.
Q4: What if some subjects have zero weight?
A: Subjects with zero weight will not contribute to the aggregate percentage calculation as their weighted score would be zero.
Q5: Is there a limit to the number of subjects I can add?
A: The calculator allows you to add multiple subjects as needed, though practical limits may depend on your specific use case.