some data with corresponding weights – Discussion Forum

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Piyush365

Asked: October 5, 2026In: Class 9 Maths

Given some data with corresponding weights, what would happen to the weighted average if all the weights are increased by a constant value, say 1? If required, experiment with some data. What do you observe? Justify your answer using algebra.

The weighted average shifts closer to the simple arithmetic mean. Adding 1 to each weight reduces relative differences between weights, diminishing the dominant impact of originally heavy-weighted values. CBSE released Class 9 Ganita Manjari Part 2 book and Solutions Class 9 ...