Question

following are the age in years of school children of a lower primary calss of Sandeep international school 12 5 3 12 10 11 7 9 6 10 9 13 5 10 7 14 6 11 13 7 9 8 11 10 8 12 13 19 6 14 prepare a frequency table using inclusive calss interval of width 3 years
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Answer 1

Given : age in years of school children of a lower primary calss of Sandeep international school 12 5 3 12 10 11 7 9 6 10 9 13 5 10 7 14 6 11 13 7 9 8 11 10 8 12 13 19 6 14

To Find : prepare a frequency table using inclusive calss interval of width 3 years

Solution:

12 5 3 12 10 11 7 9 6 10 9 13 5 10 7 14 6 11 13 7 9 8 11 10 8 12 13 19 6 14

Arrange in order

     

3 5  5 6  6   6 7 7 7 8 8 9 9 9 10 10 10  10 11  11 11 12 12   12   13  13  13   14 14  19

Inclusive class interval of width 3 years

​ 2-4           1

5-7           8      

8-10         9

11-13          9

14-16         2

17-19         1  

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