In Testing the Difference Between Two Means from Two Normally

question 114

Multiple Choice

In testing the difference between two means from two normally distributed independent populations, the distribution of the difference in sample means will be

• A) normally distributed only if sample sizes are equal.
• B) normally distributed only if both population standard deviations are known.
• C) normally distributed.
• D) normally distributed if both sample sizes are very large.
• E) normally distributed only if both population variances are equal.

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Definitions:

Milgram Experiment

A psychological experiment conducted by Stanley Milgram in the 1960s to study obedience to authority, where participants were instructed to administer electric shocks to another person.

Stanford University Prison Experiment

A psychological study conducted by Philip Zimbardo in 1971 at Stanford University, where students were assigned roles of prisoners and guards to explore the effects of perceived power.

Generalization

Drawing a conclusion about a certain characteristic of a population based on a sample from it.

Logical Support

The provision of reasons or evidence to justify a claim or argument.