In the classes of grouped data such as 10-15, 16-20, 21-25, 26-30 with – McqOptions

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1.	In the classes of grouped data such as 10-15, 16-20, 21-25, 26-30 with respective frequencies of each class as 3, 5, 4, 3 then the range is
A.	5
B.	6
C.	15
D.	20
Answer» C. 15

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