\(\frac{d}{dx}\) cos(3x\(^2\) - 2x) is equal to
Integrate \(\frac{1}{x}\) + cos x with respect to x
If \(y = x(x^4 + x + 1)\), evaluate \(\int \limits_{0} ^{1} y \mathrm d x\).
| Ages | 20 | 25 | 30 | 35 | 40 | 45 |
| Number of people | 3 | 5 | 1 | 1 | 2 | 3 |
Find the median age of the frequency distribution in the table above.
Find the difference between the range and the variance of the following set of numbers 4, 9, 6, 3, 2, 8, 10, 5, 6, 7 where \(\sum d^2\) = 60
