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.
Correct Answer:
Verified
Q8: i. If there are only two cells
Q9: i. The chi-square goodness-of-fit test is appropriate
Q10: i. For a goodness-of-fit test, the number
Q11: i. If the computed value of chi-square
Q12: i. The sum of the expected frequencies
Q14: i. Chi-square test statistic used in a
Q15: i. For a goodness-of-fit test, the number
Q16: i. If the computed value of chi-square
Q17: i. The number of degrees of freedom
Q18: i. The null hypothesis in the goodness-of-fit
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