Questions: 4. The wilcoxon rank sum test is a nonparametric test used to determine whether two independent samples were selected from population having the same distribution. True False

4. The wilcoxon rank sum test is a nonparametric test used to determine whether two independent samples were selected from population having the same distribution.
True
False

Transcript text: 4. The wilcoxon rank sum test is a nonparametric test used to determine whether two independent samples were selected from population having the same distribution. True False

Solution

Solution Steps

The question is asking for a true or false answer regarding the Wilcoxon rank sum test. Since this is a factual question, we can directly provide the answer.

Solution Approach

The Wilcoxon rank sum test is indeed a nonparametric test used to determine whether two independent samples were selected from populations having the same distribution. Therefore, the answer is "True."

Step 1: Understanding the Wilcoxon Rank Sum Test

The Wilcoxon rank sum test, also known as the Mann-Whitney U test, is a nonparametric test used to determine whether two independent samples come from the same distribution. It does not assume a normal distribution of the data.

Step 2: Interpreting the Question

The question asks whether the Wilcoxon rank sum test is used to determine if two independent samples were selected from populations having the same distribution. This is a factual statement about the test's purpose.

Final Answer

True

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