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Question 6 The class marks of a frequency distribution are given as follows 15, 20, 25….. the class corresponding to the classmark 20 is: A) 12.5 - 17.5 B) 17.5 - 22.5 C) 18.5 - 21.5 D) 19.5 - 20.5

Answer» Question 6
The class marks of a frequency distribution are given as follows 15, 20, 25….. the class corresponding to the classmark 20 is:

A) 12.5 - 17.5
B) 17.5 - 22.5
C) 18.5 - 21.5
D) 19.5 - 20.5


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