The cumulative frequency function of the data below is given below by the equation y = cf(x). What is cf(5)?
$\begin{array}{c|c} Score(n) & Frequency(f)\\\hline 3 & 30\\ 4 & 32\\ 5 & 30\\ 6 & 35\\8 & 20 \end{array}$

Similar Questions

The diagonals of a rhombus are 16cm and 30cm long. What is the perimeter of the rhombus ...

If y varies inversely as x$^2$, how does x vary with y?...

If A(I,2,3,...,10) ; B = (-5,-4,.....,-1) ; C = (-1, 0, 1, 2,....5) List all the elements in (B &cup...

Find the volume of the prism ...

If x and y are variables and k is a constant, which of the following describes an inverse relationsh...

Simplify $\frac{1}{x^2 + 5x + 6}$ + $\frac{1}{x^2 + 3x + 2}$...

In how many ways can 6 subjects be selected from 10 subjects for an examination ...

Find the value of t such that the expression $\frac{1}{t}$ + $\frac{4}{3}$ - $\frac{5}{6t}$ + ...

The area of a circle of radius 4cm is equal to (Take π = 3.142 ) ...

Given that sin $P = \frac{5}{13}$, where p is acute, find the value of cos p - tan p...