The monthly profits (in Rs.) of 100 shops are distributed as follows:

Profits per shop:	0-50	50-100	100-150	150-200	200-250	250-300
No. of shops:	12	18	27	20	17	6

Draw the frequency polygon for it.

The marks scored by 750 students in an examination are given in the form of a frequency distribution table:

Prepare a cumulative frequency table by less than method and draw an ogive.

Draw an ogive to represent the following frequency distribution:

The following table gives the height of trees:

Draw ‘less than’ ogive and ‘more than’ ogive.

The annual profits earned by 30 shops of a shopping complex in a locality give rise to the following distribution:

Draw both ogives for the above data and hence obtain the median.