Which,if any,of the following statements about the chi-square test of independence is false? A)If r_i is row total for row i and c_j is the column total for column j,then the estimated expected cell frequency corresponding to row i and column j equals (r_i)(c_j)/n. B)The test is valid if all of the estimated cell frequencies are at least five. C)The chi-square statistic is based on (r - 1)(c - 1)degrees of freedom where r and c denote,respectively the number of rows and columns in the contingency table. D)The alternative hypothesis states that the two classifications are statistically independent.

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Quizplus · Accepted Answer

The alternative hypothesis for the chi-square test of independence actually states that there is a significant association between the two classifications, not that they are independent. The null hypothesis is the one that states the classifications are independent.

Which,if Any,of the Following Statements About the Chi-Square Test of Independence