Cumulative Frequency Curve. By joining the points the curve so obtained is called a cumulative frequency curve or ogive. Draw a cumulative frequency graph for the frequency table below.
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It is also known as ogive and it is the most efficient way to represent data. Dec 03 2020 If the frequency of first class interval is added to the frequency of second class and this sum is added to third class and so on then frequencies so obtained are known as Cumulative Frequency cf. This example shows how to make a cumulative frequency chart.
Join these points successively by smooth curves we will get a curve this curve is known as cumulative frequency curve.
Mar 25 2020 How to read a cumulative frequency graph. The upper class boundaries for this table are 35 40 45 50 and 55. May 25 2020 Cumulative frequency distribution is a form of a frequency distribution that represents the sum of a class and all classes below it. Or in other words the graphical representation of cumulative frequency distribution is known as cumulative frequency curve.
