The table shows the distribution of marks obtained by some students in a test

Marks	0-9	10-19	20-29	30-39	40-49
Frequency	4	12	16	6	2

 

Find the modal class mark.

Similar Questions

Forces of magnitude 8N and 5N act on a body as shown above. Calculate, correct to 2 d.p., the result...

Differentiate $x^{2} + xy - 5 = 0$...

A binary operation $\Delta$ is defined on the set of real numbers, R, by \(a \Delta b = \frac{a+b}...

Simplify $\sqrt[3]{\frac{8}{27}} - (\frac{4}{9})^{-\frac{1}{2}}$...

If $y = x^{3} - x^{2} - x + 6$, find the values of x at the turning point....

If $x^2+y^2+-2x-6y+5 =0$, evaluate dy/dx when x=3 and y=2....

Which of the following is a singular matrix? ...

An exponential sequence (G.P.) is given by 8√2, 16√2, 32√2, ... . Find the n\(^{th...

The distance between P(x, 7) and Q(6, 19) is 13 units. Find the values of x. ...

Which of the following vectors is perpendicular to $\begin{pmatrix} -1 & 3 \end{pmatrix}$?...