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Maths CBSE Live product
Class 10 (2025-26)
Statistics
Annual Revision I - Statistics
1.
PYQ - Mean
Question:
1
m.
If the value of each observation of a statistical data is increased by \(7\), then the mean of the data
remains unchanged
decreases by \(7\)
increases by \(7\)
increases by \(7n\)
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