Refer to the MegaStat/Excel Output for the Wilcoxon Rank Sum

question 61

Multiple Choice

Refer to the MegaStat/Excel output for the Wilcoxon rank sum test given in the table below. At a significance level of .05, which one of the following statements is correct regarding the following null hypothesis?
H₀: D₁ and D₂ are identical probability distributions.

• A) We reject H₀ and conclude there is very strong evidence that the median value of the first sample significantly differs from the median value of the second sample.
• B) We reject H₀ and conclude there is very strong evidence that the median value of the first sample is significantly less than the median value of the second sample.
• C) We do not reject H₀ and conclude there is not sufficient evidence that the median value of the first sample is significantly less than the median value of the second sample.
• D) We do not reject H₀ and conclude there is insufficient evidence to conclude that the median value of the first sample is not significantly different from the median value of the second sample.
• E) We do not reject H₀ and conclude there is very strong evidence that the median value of the first sample is significantly greater than the median value of the second sample.

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Definitions:

Familial Sleeping Arrangements

The way in which family members organize themselves for sleeping, often influenced by cultural norms and personal preferences.

Cultures

The shared values, traditions, norms, customs, arts, history, folklore, and institutions of a group of people.

Deliberate System

Definition: A cognitive processing system characterized by intentional, controlled, and often slower thinking, contrasting with automatic, instinctual processes.

Automatic System

A mode of thought that is fast, unconscious, and requires minimal cognitive processing, as opposed to controlled, deliberate thought processes.