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Statistics · 2022 · 29 Jul · Shift 1

1 Mathematics questions from this JEE Main paper
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Statistics · 2022 · 29 Jul · Shift 1

1 Mathematics questions from this JEE Main paper

  1. Q41.Let the mean and the variance of 20 observations x1​,x2​,…,x20​ be 15 and 9 , respectively. For α∈R, if the mean of (x1​+α)2,(x2​+α)2,…,(x20​+α)2…
    Mathematics · Statistics · Numerical