The infant mortality rate in the U.S. is 9 infant deaths per 1,000 births. The rate for Ireland, ...

The infant mortality rate in the U.S. is 9 infant deaths per 1,000 births. The rate for Ireland, Singapore, Hong Kong, Netherlands, France, Canada, Germany, and Switzerland are all the same. Their rate is 2 z-scores below that of the U.S.

What is their rate?

A) 6
B) 6.5
C) 7
D) 7.5
E) 8

Connie and Tom both got a 75 correct on the research methods final exam. The mean for all women who took the test was 80 and the median was 75 with a standard deviation of 5.

The mean for the men was 65 correct and the median was 65 with a standard deviation of 10. What is the z-score for Connie and Tom relative to those of their own sex?

A) Connie's z-score is +1, Tom's is -2, so Connie really did better.
B) Connie's z-score is -1, Tom's is +1, so Tom really did better.
C) Both Connie and Tom have the same z-score, 1, so they are the same.
D) Connie's z-score is 0 and Tom's is +1, so he did worse.
E) Connie's z-score is -2 and Tom's is -1, so Tom did better.

An interview item that exclusively concerns the central focus of the study is a(n) ____________.

A) extra question
B) throw-away question
C) probing question
D) essential question

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The infant mortality rate in the U.S. is 9 infant deaths per 1,000 births. The rate for Ireland, ...

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