Jee Main
Statistics
JEE Main 2023 (Online) 6th April Evening Shift
INTEGER+4 / -12023
If the mean and variance of the frequency distribution
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| \(x_i\) | 2 | 4 | 6 | 8 | 10 | 12 | 14 | 16 |
|---|---|---|---|---|---|---|---|---|
| \(f_i\) | 4 | 4 | \(\alpha\) | 15 | 8 | \(\beta\) | 4 | 5 |
are 9 and 15.08 respectively, then the value of \(\alpha^2+\beta^2-\alpha\beta\) is ___________.