Which of the Following Statements About R × C Tables

question 8

Multiple Choice

Which of the following statements about r × c tables is/are FALSE?

• A)The null hypothesis is tested using the chi-square statistic with (r - 1)(c - 1)degrees of freedom.
• B)The statistic used to test the null hypothesis is denoted by .
• C)The P-value for the test is P( ),where is a random variable having the (df)distribution with df = (r - 1)(c - 1).
• D)Under the null hypothesis the statistic has approximately a chi-square distribution with (r - 1)(c - 1)degrees of freedom.
• E)The chi-square approximation is adequate when the average expected cell count is 5 or greater and all individual expected counts are 1 or greater,except in the case of 2 × 2 tables.

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