Ages of 18 teachers are given below
32 41 28 54 32 28 31 40 36
35 31 43 26 29 37 33 31
33
Pureapare a frequency distribution table
taking 20-25 as one interval.
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Answer:
Answer
Class Interval
Frequency
10-20
20-30
30-40
40-50
50-60
60-70
10
12
7
7
8
3
(i) For Cumulative Frequency 30−40 frequency is 7
(ii) Size is 11
Mid point for cumulative frequency 30−40 is 35.
(iii) Range =70−10=60
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2
Answer:
giving wait
Step-by-step explanation:
age of teachers frequency
25-30 4
30-35 7
35-40 3
40-45 3
45-50 0
50-55 1
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