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 5 classes are used, the class width should be approximately _______.

A. 4
B. 12
C. 9
D. 5 @satellite73

Question

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 5 classes are used, the class width should be approximately _______.

A.	4
B.	12
C.	9
D.	5 @satellite73

anonymous · Answer

i have no idea how to do this, but if there are 60 number between 23 and 68 then maybe you can say $68-23=45$ and divide by 5 to get 9

anonymous · Answer

actually that is probably wrong

anonymous · Answer

lol..okay thanks for being frank.

anonymous · Answer

yw, sorry i can't be of more help
i do not know what "classes" means

anonymous · Answer

If only five classes are created it means that there are $$\left( 60\div 5 = 12  \right)$$ numbers in each class.

anonymous · Answer

what of the number 23

anonymous · Answer

They stated it to confuse the student most probably :P
But I'm positive this is the answer...?