Question

Prepare a frequency polygon and a histogram based on the distribution of weight of seeds as per the
following data on computer:
Weight in mg
10 - 20
20 - 30
30 - 40
40 - 50
50 - 60
Number of Seeds
18., 22 ,30, 16, 4​

Answer 1

Construction of frequency polygon and histogram for the given frequency distribution;

• Histogram is graphical representation of frequency distribution.
• Data is represented in the form of rectangles whose width is class interval and height gives the frequency of the corresponding class.
• Joining the midpoints of these bars using ruler, we get frequency polygon.