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A Person Has Decided to Construct a Frequency Distribution for a Set

Question 78

Multiple Choice

A person has decided to construct a frequency distribution for a set of data containing 60 numbers.The lowest number is 23 and the highest number is 68.If 7 classes are used, the class width should be approximately _______.


A) 5
B) 7
C) 9
D) 11
E) 12

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