Week12 QM2

Week12 QM2

University

7 Qs

quiz-placeholder

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Week12 QM2

Week12 QM2

Assessment

Quiz

Mathematics

University

Practice Problem

Medium

Created by

MokPsych Academia

Used 3+ times

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7 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 3 pts

A researcher is examining the impact of three different teaching methods on student performance. What is the appropriate non-parametric test for this scenario?

Mann-Whitney U test

Kruskal-Wallis test

Wilcoxon signed-rank test

Friedman test

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The Kruskal-Wallis test is an extension of the Mann-Whitney U test and is used to compare more than two independent samples.

True

False

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In the Friedman test, if the null hypothesis is rejected, it indicates that at least one pair of related groups differs significantly.

True

False

4.

MULTIPLE CHOICE QUESTION

30 sec • 3 pts

In a study, researchers want to compare the exam scores of students from three different schools. Which statistical test should they use?

Mann-Whitney U test

Kruskal-Wallis test

Friedman test

Paired t-test

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The Kruskal-Wallis test assumes that the populations from which the samples are drawn follow a normal distribution.

True

False

6.

MULTIPLE CHOICE QUESTION

30 sec • 3 pts

A group of participants is tested under three different conditions on a memory task. What test should be used to analyze the data?

Mann-Whitney U test

Kruskal-Wallis test

Friedman test

Independent samples t-test

7.

MULTIPLE CHOICE QUESTION

30 sec • 3 pts

The Kruskal-Wallis test is suitable for comparing independent groups, while the Friedman test is suitable for comparing related groups.

True

False

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