Question

Given below is a data showing the number of children in 20 families of a locality. 2, 1, 3, 1, 2, 3, 2, 2, 4, 3, 2, 1, 5, 4, 3, 2, 1, 2, 6 Let prepare a frequency distribution table for the above data. ​

Answer 1

Answer:

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Answer 2

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Arranging the data in ascending order we have : 1,1,1,1,1,2,2,2,2,3,3,3,4,4,5. To count, we can use tally marks. We record tally mark in bunches of five, the one crossing the other diagonally, i.e., III. Thus, we may prepare a frequency table as shown below :

Number of Children12345Tally MarksIIIIIIIIIIIIIINumber of Families (Frequency)54321

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