Refer to the Mega-Stat/Excel Output for the Wilcoxon Signed Rank $8 \quad\quad\mathrm { n }$

question 63

Multiple Choice

Refer to the Mega-Stat/Excel output for the Wilcoxon signed rank test given in the table below.
Wilcoxon Signed Rank Test
variables: Group 1 - Group 2
5.5 sum of positive
ranks
30.5 sum of negative
ranks
$8 \quad\quad\mathrm { n }$
18.00 $\quad$ expected value
5.74 $\quad$ standard deviation
$- 2.18\quad \mathrm { z }$ , corrected for ties
.0296 $\quad$ p-value (two-
$\quad$$\quad$$\quad$ tailed)
-Assuming there were no paired differences equal to zero,at a significance level of .01 which one of the following rejection point conditions is correct when the alternative hypothesis is H_a: D₁ is shifted to the left of D₂?

• A)T^- ? 5
• B)T⁺ ? 0
• C)T^- ? 11
• D)T^- ? 3
• E)Smaller of the T⁺ or T^- is less than 8

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