The ____________________ of a test is the probability of observing a test statistic at least as extreme as the one from your sample, given that H0 is true.
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Q. 2In a Wilcoxon rank sum test, the two sample sizes are 4 and 6, and the value of the Wilcoxon test statistic is T = 20 . If the test is a two-tail and the level of significance is = 0.05, then:
a. the null hypothesis will be rejected.
b. the null hypothesis will not be rejected.
c. the alternative hypothesis will not be rejected.
d. not enough information has been given to answer this question.
Q. 3If the conclusion of a hypothesis test is that a statistically significant result was found, then the null hypothesis ____________________ (was/was not) rejected.
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Q. 4The nonparametric tests discussed in your book (Wilcoxon rank sum test, sign test, Wilcoxon signed rank sum test, Kruskal-Wallis test, and Friedman test) all require that the probability distributions be:
a. identical except with respect to shape (distribution).
b. identical except with respect to spread (variance).
c. identical except with respect to location.
d. different with respect to location, spread, and shape.
Q. 5When a null hypothesis is rejected, the test is said to be statistically ____________________ at level .
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