If a Researcher Was Interested in Determining If a Relationship

question 52

Multiple Choice

If a researcher was interested in determining if a relationship exists between degree of education and attitudes towards tax reform, which test would be appropriate?

• A) Mann-Whitney test
• B) Wilcoxon matched-pairs signed-ranks test
• C) Kruskal-Wallis test
• D) Spearman test

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Definitions:

Standard Deviation

An indicator of the degree of spread or variability among a collection of figures, showing how far the values diverge from the average.

Normal Approximation

A method used in statistics to estimate the distribution of various sample statistics using the normal distribution, particularly when the sample size is large.

Defective Items

Products or goods that fail to meet quality standards.

Sampling Distribution

The chance distribution of a chosen statistic, produced from a sample taken at random.