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Statistics · 2023 · 30 Jan · Shift 1

1 Mathematics questions from this JEE Main paper
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Statistics · 2023 · 30 Jan · Shift 1

1 Mathematics questions from this JEE Main paper

  1. Q39.The mean and variance of 7 observations are 8 and 16 respectively. If one observation 14 is omitted and a and b are respectively mean and variance of remaining 6 observation, then a+3b−5 is equal to ​.
    Mathematics · Statistics · Numerical