(I) in Constructing a Frequency Distribution, You Should Try to Have

(i) In constructing a frequency distribution, you should try to have open-ended classes such as "Under $100" and "$1,000 and over".
(ii) To convert a frequency distribution to a relative frequency distribution, divide each class frequency by the sum of the class frequencies.
(iii) When constructing a frequency distribution, try to include overlapping stated class limits, such as
100 up to 201, 200 up to 301, and 300 up to 401.

A) (i) , (ii) and (iii) are all correct statements.
B) (i) and, (ii) are correct statements but not (iii) .
C) (i) and, (iii) are correct statements but not (ii) .
D) (ii) is a correct statement but not (i) or (iii) .
E) All statements are false.