Calculation Of Arithmetic Mean In Case Of Cumulative Frequency Distribution

Calculation Of Arithmetic Mean In Case Of Inclusive Series

Graph of Cumulative Frequency

Calculation Of Corrected Arithmetic Mean

Construction of Cumulative frequency distribution

What is cumulative frequency?

In Case Of Less Than Cumulative Frequency Series

Mean Deviation of a Descrete Frequency Distribution

Find the arithmetic mean of the following frequency distribution:

Calculate the arithmetic mean of the following frequency distribution by Direct Method: {:("Class Interval",10-20,20-40,40-70,70-120,120-200),("Frequency"," "4," "10," "26," "8," "2):}