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Statistics · 2021 · 18 Mar · Shift 2

1 Mathematics questions from this JEE Main paper
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Statistics · 2021 · 18 Mar · Shift 2

1 Mathematics questions from this JEE Main paper

  1. Q31.Let in a series of 2n observations, half of them are equal to a and remaining half are equal to − a. Also by adding a constant b in each of these observations, the mean and standard deviation of new set become 5 and 20, respectively.…
    Mathematics · Statistics · MCQ