Largest value is 60 and smallest value is 40 and number of classes desired is 5 then class interval isa

Largest value is 60 and smallest value is 40 and number of�

1.	Largest value is 60 and smallest value is 40 and number of classes desired is 5 then class interval isa
A.	20
B.	4
C.	25
D.	15
Answer» C. 25