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) larger of the sum of the negative signed ranks (R-) and the sum of the positive signed ranks (R+).
C) sum of the positive signed ranks (R+)
D) sum of the negative signed ranks (R-)
Q. 2The test statistic for the one-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) larger of the sum of the negative signed ranks (R-) and the sum of the positive signed ranks (R+).
C) sum of the positive signed ranks (R+)
D) sum of the negative signed ranks (R-)
Q. 3Decision making under certainty is used to choose an alternative when we have probability information for each state of nature.
Indicate whether the statement is true or false
Q. 4The _________________ test is a nonparametric procedure that can be used to compare two dependent samples.
A) Wilcoxon rank-sum
B) sign
C) Wilcoxon signed-rank
D) Kruskal-Wallis
Q. 5Decision making under uncertainty is the procedure of choice when we have no information about the probability for each state of nature.
Indicate whether the statement is true or false
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