Show the following data by a frequency polygon.

The following table shows the average rainfall in 150 towns. Towns. Show the information by a ferquency polygon.

Represent the following data by frequency curve :

Present the following data in the form of a frequency polygon :

From the following data, construct frequency histogram, frequency polygon and frequency curve.

The above data is to be shown by a frequency polygon. The coordinates of the points to show number of students in the class 4-6 are _______ .

Find the correct answer from the alternative given : The above data is to be shown by a frequency polygon. The coordinates of the points to show number of students in the class 4-6 are ………