Question

42. The ages of 50 teachers working in a secondary school are as
follows. Draw a histogram for the given data in a graph sheet and
answer the following questions.
Age ( in years)
20 - 25
25 - 30
30 - 35
35 - 40
40 - 45
45 - 50
50-55
55 - 60
Total
No of teachers
2
4
5
10
15
8
5
1
50
fi) What is the class size in the above given frequeney table?
What is the lower limit of the class interval 25 - 30?
fus) What is the upper limit of the class interval 55 60?

Answer 1

Step-by-step explanation:

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