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Statistics · 2020 · 4 Sep · Shift 2

1 Mathematics questions from this JEE Main paper
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Statistics · 2020 · 4 Sep · Shift 2

1 Mathematics questions from this JEE Main paper

  1. Q23.If the variance of the following frequency distribution : Class : 10–20 20–30 30–40 Frequency : 2 x 2 is 50, then x is equal to ​
    Mathematics · Statistics · Numerical