Mathematics · 2024
JEE Main · 30 January 2024, Shift 2 · Q30
The variance σ^2 of the data is ____.
The variance $\displaystyle \sigma^2$ of the data
is $\displaystyle \_\_\_\_$.
| $\displaystyle x_i$ | $\displaystyle 0$ | $\displaystyle 1$ | $\displaystyle 5$ | $\displaystyle 6$ | $\displaystyle 10$ | $\displaystyle 12$ | $\displaystyle 17$ |
| $\displaystyle f_i$ | $\displaystyle 3$ | $\displaystyle 2$ | $\displaystyle 3$ | $\displaystyle 2$ | $\displaystyle 6$ | $\displaystyle 3$ | $\displaystyle 3$ |
Official answer
From NTA’s final answer key for this paper.
29
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JEE Main 2024 Mathematics question, with the answer from NTA’s final answer key. Where our answers come from.