The test statistic for the two- tail Wilcoxon signed- rank test is the ______.
A)smaller of the sum of the negative signed ranks (R- )and the sum of the positive signed ranks (R+).
B)sum of the negative signed ranks (R- )
C)sum of the positive signed ranks (R+)
D)larger of the sum of the negative signed ranks (R- )and the sum of the positive signed ranks (R+).

Question

Quizplus · Accepted Answer

The test statistic for the two-tail Wilcoxon signed-rank test is the smaller of the sum of the negative signed ranks (R-) and the sum of the positive signed ranks (R+), as this minimizes the value for the purpose of the test.

The Test Statistic for the Two- Tail Wilcoxon Signed- Rank