Q 14

For the goodness-of-fit test,the sum of the expected frequencies must equal ___.
A) 1
B) n
C) k
D) k−1

Q 15

For the goodness-of-fit test,the chi-square test statistic will __________________.
A) always equal zero
B) always be negative
C) be at least zero
D) always be equal ton

Q 16

The chi-square test of a contingency table is a test of independence for __________________.
A) a single qualitative variable
B) two qualitative variables
C) two quantitative variables
D) three or more quantitative variables