Prepare a frequency distribution by inclusive method taking class interval of 7 from the fol-lowing data

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#1

Prepare a frequency distribution by inclusive method taking class interval of 7 from the fol-lowing data :
28, 17, 15, 22, 29, 21, 23, 27, 18, 12, 7, 2, 9, 4, 6, 1,
8, 10, 5, 20, 16, 12,- 8, 4, 33, 27, 21, 15, 9, 3, 36, 27, 18, 9, 2, 4, 6, 32, 31, 29, 18, 14, 13, 19, 15, 11,
9,7, 1, 5, 37, 32, 28, 26, 20, 20, 19, 25, 20


#2

As in the question, the lowest value is 1 and the highest is 37. We have to take a class interval of 7. The various class interval of 7 on inclusive basis are given. With the helpcrf tally bar inclusive frequency series will be catenated.
The frequency distributiof inclusive method of given.data