Find the variance of 11, 12, 13, 14 and 15.
Find the variance of 11, 12, 13, 14 and 15. A. 2 B. 3 C. (sqrt{2}) D. 13…
Given that (n = 10) and (sum d^{2} = 20), calculate the Spearman’s rank correlation…
Given that (n = 10) and (sum d^{2} = 20), calculate the Spearman’s rank correlation coefficient. A. 0.121…
Find an expression for y given that (frac{mathrm d y}{mathrm d x} = x^{2}sqrt{x})
Find an expression for y given that (frac{mathrm d y}{mathrm d x} = x^{2}sqrt{x}) A. (frac{1x^{frac{2}{7}}}{7} + c)…
The radius of a circle increases at a rate of 0.5(cms^{-1}). Find the rate of…
The radius of a circle increases at a rate of 0.5(cms^{-1}). Find the rate of change in the…
Find the minimum value of (y = 3x^{2} – x – 6).
Find the minimum value of (y = 3x^{2} – x – 6). A. (-6frac{1}{6}) B. (-6frac{1}{12}) C. (-6)…
Find the gradient to the normal of the curve (y = x^{3} – x^{2}) at…
Find the gradient to the normal of the curve (y = x^{3} – x^{2}) at the point where…
Find (limlimits_{x to 3} frac{2x^{2} + x – 21}{x – 3}).
Find (limlimits_{x to 3} frac{2x^{2} + x – 21}{x – 3}). A. 0 B. 1 C. 7 D.…
The lines (2y + 3x – 16 = 0) and (7y – 2x – 6…
The lines (2y + 3x – 16 = 0) and (7y – 2x – 6 = 0) intersect…
Points E(-2, -1) and F(3, 2) are the ends of the diameter of a circle….
Points E(-2, -1) and F(3, 2) are the ends of the diameter of a circle. Find the equation…
Find the equation of the line which passes through (-4, 3) and parallel to line…
Find the equation of the line which passes through (-4, 3) and parallel to line y = 2x…