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Statistics · 2023 · 29 Jan · Shift 2

1 Mathematics questions from this JEE Main paper

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JEE Main
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2023 · 29 Jan · Shift 2
Mathematics
Statistics

Statistics · 2023 · 29 Jan · Shift 2

1 Mathematics questions from this JEE Main paper

Q40.Let $X = {11, 12, 13, ...., 40, 41}$ and $Y = {61, 62, 63, ...., 90, 91}$ be the two sets of observations. If $\overline{x}$ and $\overline{y}$ are their respective means and $σ^{2}$ is the variance of all the observations in $X \cup Y$ ,…
Mathematics · Statistics · Numerical