1.

(i) Construct a histogram and frequency polygon of the following distribution: Marks 0−10 10−20 20−30 30−40 40−50 Number of Students 8 18 35 25 14 (ii) Show that the area under frequency polygon is equal to the area under histogram.

Answer» (i) Construct a histogram and frequency polygon of the following distribution:



















Marks 0−10 10−20 20−30 30−40 40−50
Number of Students 8 18 35 25 14

(ii) Show that the area under frequency polygon is equal to the area under histogram.


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