In Testing the Difference Between Two Population Means for Which

question 90

Multiple Choice

In testing the difference between two population means for which the population variances are unknown and not assumed to be equal,two independent samples are drawn from the populations.Which of the following tests is appropriate?

• A)z-test
• B)pooled-variances t-test
• C)unequal variances t-test
• D)None of these choices.

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Definitions:

Theory of Mind

The ability to attribute mental states—beliefs, intents, desires, emotions, knowledge—to oneself and others, and to understand that others have beliefs, desires, and perspectives different from one's own.

Mind Blindness

A cognitive disorder where an individual is unable to attribute mental states to others, affecting empathy and social interactions.

Autistic Spectrum Disorder

A range of neurodevelopmental conditions characterized by challenges with social skills, repetitive behaviors, and communication difficulties.

Postconventional

A stage of moral development characterized by an individual's ability to think beyond local customs and laws, considering universal ethical principles.