Use the Following to Answer the Question(s) Below

question 26

Multiple Choice

Use the following to answer the question(s) below.
A sample of 30 year fixed mortgage rates at 12 randomly chosen credit unions yields a mean rate of 6.65 % and a sample standard deviation of 0.39%. A sample of 30 year fixed mortgage rates at 16 randomly selected banks yields a mean rate of 7.05% and a sample standard deviation of 0.22%. Are the mean rates different between credit unions and banks? Relevant output is shown below.
-Which of the following is true?

• A) This is a paired design.
• B) This is a test of two means from independent samples.
• C) This is a one-tailed test.
• D) This is a paired design and this is a one-tailed test.
• E) This is a test of two means from independent samples and this is a one-tailed test.

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Definitions:

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The process of growth and development within the womb from conception to birth, covering stages from zygote, embryo, to fetus.

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The tendency for adolescents to focus on themselves and what others think of them, often accompanied by a sense of uniqueness and invincibility.

Imaginary Audience

The belief, common in adolescence, that one is constantly being observed and evaluated by others.