Which, If Any, of the Following Statements About the Chi-Square

question 46

Multiple Choice

Which, if any, of the following statements about the chi-square test of independence is false?

• A) If r_i is the 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.
• E) All of the other statements about the chi-square test of independence are true.

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