The Significance Level for a Wilcoxon Signed Rank Test for Matched

question 137

Multiple Choice

The significance level for a Wilcoxon signed rank test for matched pairs is 0.05.The alternative hypothesis is H₁: m_d > 0.The appropriate critical value for n = 20 nonzero differences is:

• A) 158
• B) 149
• C) 61
• D) 52
• E) 112

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Definitions:

Test Taker Bias

A predisposition or inclination that affects how a person responds to test questions, potentially skewing the results.

Language Barriers

Communication obstacles that occur when people do not share a common language, affecting understanding and interaction.

Internal Structure

The correlations between items and the total test score, including the pattern of correlations.

Culture Fair Intelligence Test

An intelligence test designed to minimize biases arising from cultural or linguistic differences among test-takers.