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Statistics · 2020 · 8 Jan · Shift 2

1 Mathematics questions from this JEE Main paper
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Statistics · 2020 · 8 Jan · Shift 2

1 Mathematics questions from this JEE Main paper

  1. Q24.The mean and variance of 20 observations are found to be 10 and 4, respectively. On rechecking, it was found that an observation 9 was incorrect and the correct observation was 11. Then the correct variance is
    Mathematics · Statistics · MCQ