Question

The following table gives the daiy income of 50 workers of a factory. Draw both types ("less than type" and "greater than type") ogives.

$\begin{array}{cc}\text{Daily Income (in Rs.)}& \text{No. of workers (c.f.)}\\ 100-120& 12\\ 120-140& 14\\ 140-160& 8\\ 160-180& 6\\ 180-200& 10\end{array}$

Answer 1

Less than ogive
$\begin{array}{cc}\text{Daily income (in Rs.)}& \text{No. of workers (c.f.)}\\ \text{Less than}120& 12\\ \text{Less than}140& 26\\ \text{Less than}160& 34\\ \text{Less than}180& 40\\ \text{Less than}200& 50\end{array}$

More than ogive
$\begin{array}{cc}\text{Daily Income (in Rs.)}& \text{No. of workers (c.f.)}\\ \text{More than}100& 50\\ \text{More than}120& 38\\ \text{More than}140& 24\\ \text{More than}160& 16\\ \text{More than}180& 10\end{array}$