1. Which of the following statements is incorrect? Choose one. a. The rank-sum test works as a non-parametric equivalent to the t-test of two independent samples. b. The Kruskall-Wallis test serves as a non-parametric equivalent to one-way analysis of variance. c. The sign test works as a non-parametric equivalent to the z-test of two independent samples.
1. Which of the following statements is incorrect? Choose one.
a.
The rank-sum test works as a non-parametric equivalent to the t-test of two independent samples.
b.
The Kruskall-Wallis test serves as a non-parametric equivalent to one-way analysis of variance.
c.
The sign test works as a non-parametric equivalent to the z-test of two independent samples.
2. Which of the following statements is incorrect? Choose one.
a.
In a paired two-sample t-test, the average of the differences between pairs of observations must be calculated for the test variable.
b.
In the two-sample t-test, the test variable follows a
c.
In an independent samples t-test, the
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