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Statistics · 2022 · 28 Jun · Shift 1

1 Mathematics questions from this JEE Main paper
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Statistics · 2022 · 28 Jun · Shift 1

1 Mathematics questions from this JEE Main paper

  1. Q37.The mean and standard deviation of 15 observations are found to be 8 and 3 respectively. On rechecking it was found that, in the observations, 20 was misread as 5. Then, the correct variance is equal to ​.
    Mathematics · Statistics · Numerical