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Applied Mathematics · 2023 · 1 mark
CBSE 2023 · Central · Set 4 · Q14
For testing the significance of difference between the means of two independent samples, the degree of freedom (v) is taken as:
For testing the significance of difference between the means of two independent samples, the degree of freedom (v) is taken as:
Official answer
(C)
$\displaystyle \mathrm{n}_1+\mathrm{n}_2-2$
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CBSE Class 12 Applied 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.