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Applied Mathematics · 2026 · 1 mark
CBSE 2026 · Central · Set 4 · Q12
For the purpose of t-test of significance, if a random sample of size 34 is drawn from a normal population, then the degree of freedom (ν) is:
For the purpose of t-test of significance, if a random sample of size $\displaystyle 34$ is drawn from a normal population, then the degree of freedom $\displaystyle (\nu)$ is :
Official answer
(B)
$\displaystyle 33$
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CBSE Class 12 Applied Mathematics past-paper question from the 2026 board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.