Question

Draw a histogram with the help of the given data and answer the following questions.

Class interval. Frequency

20-30. 8

30-40. 5

40-50. 6

50-60. 3

60-70. 4

70-80. 5

80-90. 4

90-100. 3

Total = 38

a) Find the class Size.?

b) Find the lower limit of the class interval 40-50.

c) Which interval has maximum frequency?

d) Find the frequency of class interval 40-50.​

Answer 1

Step-by-step explanation:

Answer

First we draw the histogram and then by joining the midpoints of the tops of the rectangles we draw the frequency polygon.