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

question 34

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 these statements are true about the chi-square test of independencE.

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Definitions:

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