i. The sum of the expected frequencies and the sum of the observed frequencies must be equal. ii. If the computed value of chi-square is less than the critical value, reject the null hypothesis at a predetermined level of significance.
iii. If there are only two cells in a goodness-of-fit test, we should expect 5 or more frequencies.
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) (i), (ii), and (iii) are all false statements.

Question

Quizplus · Accepted Answer

The Answer of i. The sum of the expected frequencies and the sum of the observed frequencies must be equal. ii. If the computed value of chi-square is less than the critical value, reject the null hypothesis at a predetermined level of significance.
iii. If there are only two cells in a goodness-of-fit test, we should expect 5 or more frequencies.
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) (i), (ii), and (iii) are all false statements.

I the Sum of the Expected Frequencies and the Sum