The following data indicates marks of 53 students in a test. Draw a “Less than Ogive curve” for the data.

Question

The following data indicates marks of 53 students in a test.

 

Marks	0-10	10-20	20-30	30-40	40-50	50-60	60-70	70-80
No. of Students	5	3	4	3	4	7	9	7

Draw a “Less than Ogive curve” for the data.

 

Answer 1

Considering upper boundaries on X-axis and LCF on Y-axis. 

We plot the points and by connecting on free hand we get less than type ogive as shown below graph.