A Non-Parametric Method to Compare Two Populations, When the Samples

question 125

Multiple Choice

A non-parametric method to compare two populations, when the samples are independent but the assumptions behind the independent samples t-test are violated, is the:

• A) Wilcoxon rank sum test.
• B) sign test.
• C) matched pairs t-test.
• D) Wilcoxon signed rank sum test.

Recognize the significance of job characteristics and rewards in determining job satisfaction and pay disparities.

Appreciate the role of communication in influencing perceptions of fairness and satisfaction in the workplace.

Understand the psychological and physical implications of job demands, especially those requiring suppression of emotions.

Familiarize with popular measures of job satisfaction and how they assess various aspects of employee well-being.

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Definitions:

Normally Distributed

Describing a distribution that follows a normal curve, with most observations clustering around the mean and tapering off symmetrically towards the extremes.

Sign Test

A non-parametric test used to evaluate the difference between the median of a paired sample and a hypothesized value.

Identical Medians

The statistical assessment that two or more groups have the same median value in their data distributions.

Identical Probability Distributions

Probability distributions that are exactly the same in terms of their statistical properties such as mean, variance, and skewness.