Which of the Following Null Hypotheses Is Used to Test
Which of the following null hypotheses is used to test if five population proportions are the same?
A) H0:p1 = p2 = p3 = p4 = p5 = 0.25
B) H0:p1 = p2 = p3 = p4 = 0.25
C) H0:p1 = p2 = p3 = p4 = 0.20
D) H0:p1 = p2 = p3 = p4 = p5 = 0.20
For the goodness-of-fit test,the sum of the expected frequencies must equal ___.
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
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