Frequency Polygon Graph Definition. The points are then joined by a series of straight lines. To construct a frequency polygon first examine the data and decide on the number of intervals or class intervals to use on the x-axis and y-axis.
A graph made by joining the middle-top points of the columns of a frequency histogram. Dec 04 2014 Share on. Cumulative Frequency Distribution Cumulative frequency distribution is a form of a frequency distribution that represents the sum of a class and all classes below it.
One can make use of the information that is available in a frequency distribution table for drawings of these graphs.
Their nicknames -The The two types of statistical data representation graphs have some other names that you should know. In fact they are almost identical except that frequency polygons can be used to compare sets of data or to display a cumulative frequency distribution. There are many ways in which the data can be graphically represented and frequency polygons are the best and the most efficient of all. Example Draw frequency polygon for the following data Seed Yield gms No.
