Elementary Statistics and Computer Application

Frequency curve

• The procedure for drawing a frequency curve is same as for frequency polygon. But the points are joined by smooth or free hand curve.
 
Example

Draw frequency curve for the following data

Seed Yield (gms)	No. of Plants
2.5-3.5	4
3.5-4.5	6
4.5-5.5	10
5.5-6.5	26
6.5-7.5	24
7.5-8.5	15
8.5-9.5	10
9.5-10.5	5