In Testing the Difference Between the Means of Two Normally

question 14

Multiple Choice

In testing the difference between the means of two normally distributed populations, if μ₁ = μ₂ = 50, n₁ = 9, and n₂ = 13, the degrees of freedom for the t statistic equals ________.

• A) 22
• B) 21
• C) 19
• D) 20

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Definitions:

Recategorization

A cognitive process that involves changing the classification or grouping of information, often to reduce intergroup bias.

Dehumanization

The process of depriving a person or group of positive human qualities, leading to the perception of them as less than human.

Cross-Categorization

Cross-Categorization is the practice of classifying individuals or items into multiple overlapping categories or groups based on different attributes.

Positive Contact Situations

Interactions in which individuals from different backgrounds or groups come together in a supportive, cooperative environment, leading to reduced prejudice and enhanced relationships.