Given below is a frequency distribution table. Read it and answer the questions that follow:
Class Interval Frequency
10 – 20 5
20 – 30 10
30 – 40 4
40 – 50 15
50 – 60 12
(a) What is the lower limit of the second class interval?
(b) What is the upper limit of the last class interval?
(c) What is the frequency of the third class?
(d) Which interval has a frequency of 10?
(e) Which interval has the lowest frequency?
(f) What is the class size?

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Answers

2015-06-17T13:54:53+05:30
A). 20
b). 50
c). 4
d). 2nd interval (20-30)
e). 3rd interval (30-40)
f). class size is 10(upper limit-lower limit)
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