Kruskal-wallis rank test, The Kruskal-Wallis rank test is a

Kruskal-wallis rank test

Assignment Help Basic Statistics

Reference no: EM138128

1. Nonparametric tests are used when

A. the data are normal.
B. the data are skewed.
C. the data are counts.

2. The Kruskal-Wallis rank test is a nonparametric replacement for

A. a paired t test.
B. two independent samples t test.
C. one-way ANOVA.

3. The Wilcoxon rank sum test tests a null hypothesis that

A. the two distributions have the same mean.
B. the two distributions have the same median.
C. the two distributions are the same.

4. A sample of breakfast cereals yields the following data on the grams of carbohydrates per serving.

19 23 26 21 25 28 24 23 23 13 25 26

The rank assigned to a cereal with 25 grams is
A. 8.
B. 8.5.
C. 9.

Reference no: EM138128

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