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Mathematics · 2023 · 1 mark
CBSE 2023 · Region 1 · Set 1 · Q15
If the value of each observation of a statistical data is increased by 3, then the mean of the data
If the value of each observation of a statistical data is increased by $\displaystyle 3$, then the mean of the data
Official answer
(A)
remains unchanged
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CBSE Class 10 Mathematics past-paper question from the 2023 board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.