A Medical Researcher Wondered If There Is a Significant Difference

question 104

Multiple Choice

A medical researcher wondered if there is a significant difference between the mean birth weight of boy and girl babies.Random samples of 5 babies' weights (pounds) for each gender showed the following: To test the researcher's hypothesis,we should use the:

• A) paired (dependent)samples t-test.
• B) independent samples t-test.
• C) large-sample z-test.
• D) t-test for correlation.

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