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Statistics · 2020 · 8 Jan · Shift 1

1 Mathematics questions from this JEE Main paper
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Statistics · 2020 · 8 Jan · Shift 1

1 Mathematics questions from this JEE Main paper

  1. Q33.The mean and the standard deviation (s.d.) of 10 observations are 20 and 2 resepectively. Each of these 10 observations is multiplied by p and then reduced by q, where p e 0 and q e 0. If the new mean and new s.d. become half of their…
    Mathematics · Statistics · MCQ