THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION

question 67

Multiple Choice

THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION:
For calculating a 95% confidence interval for μ₁ - μ₂ the difference between the means of two normally distributed populations,the summary statistics from two independent samples are:
n_x = 60,
= 180,
= 360,n_y = 45,
= 160,and
= 900.
It is assumed that the Population variances are unknown and are equal.
-What is the lower confidence limit of the 95% confidence interval?

• A)29.505
• B)11.587
• C)10.495
• D)22.797

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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.