I the Computed Value of Chi-Square Is Always Positive Because

Multiple Choice

i. The computed value of chi-square is always positive because the difference between the observed frequencies and the expected frequencies are squared.
ii. The shape of the chi-square distribution changes for each number of degrees of freedom.
iii. The minimum computed value of chi-square is zero.

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) and (iii) are correct statements but not (i) .
E) All statements are false