Which of the Following Statements Are Not True?
A) When $3 \leq m \leq n \leq 8$

question 46

Multiple Choice

Which of the following statements are not true?

• A) When m and n (number of observed x values and y values, respectively, in the combined sample) exceed 8, the Wilcoxon rank-sum test statistic W has approximately a t distribution with m + n - 1 degrees of freedom
• B) The table of critical values for the Wilcoxon rank-sum test, which is available in your text, gives information only for \(3 \leq m \leq n \leq 8\)
• Where m and n are the number of observed x and y values, respectively, in the combined sample.
• C) If m and n are the number of observed x and y values, respectively, in the combined sample, then to use the table of critical values for the Wilcoxon rank-sum test, which is available in your text, the X and Y samples should be labeled so that \(m \leq n .\)
• D) As with the Wilcoxon signed-rank test, the common practice in dealing with ties when using the Mann-Whitney test is to assign each of the tied observations in a particular set of ties the average of the ranks they would require if they differed very slightly from one another.
• E) All of the above statements are true.

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