JEE MAIN - Mathematics Hindi (2023 - 6th April Evening Shift - No. 14)
यदि बारंबारता बंटन
| $$x_i$$ | 2 | 4 | 6 | 8 | 10 | 12 | 14 | 16 |
|---|---|---|---|---|---|---|---|---|
| $$f_i$$ | 4 | 4 | $$\alpha$$ | 15 | 8 | $$\beta$$ | 4 | 5 |
के माध्य तथा प्रसरण क्रमशः 9 तथा 15.08 हैं, तो $$\alpha^2+\beta^2-\alpha \beta$$ का मान है ____________.
Answer
25
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