MCQ
Cov (x, y) = ________
- A$\Sigma(\mathrm{x}-\bar{x})(\mathrm{y}-\bar{y})$
- B$\frac{\sum(x-\bar{x})(y-\bar{y})}{n}$
- C$\frac{\sum x y}{n}-\bar{x} \bar{y}$
- ✓b and $c$ both
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.