Q8 of 47 Page 70

Draw a frequency polygon for the following data without using histogram

GIVEN.


⇒ As the data is in continuous forms


⇒ Take out Midpoints of Each class intervals


Table will be



⇒ Mark class interval along X axis on uniform scale


⇒ Mark frequency along Y axis on uniform scale


Take 2 imaginary midpoints on 1st and last with 0 frequency



⇒ join all the midpoints to get frequency polygon



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