A Medical Researcher Wondered If There Is a Significant Difference

question 46

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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Definitions:

Race Relations

The interactions and relations between people of different racial backgrounds, often focusing on the history, nature, and implications of racism and racial discrimination.

International Reputation

The esteem or regard in which a country, organization, or individual is held by the international community, often reflecting perceptions of behavior, achievements, or quality.

Southern Manifesto

A document written in 1956 by legislators in the United States opposing the desegregation of schools, representing a collective declaration of opposition to racial integration in public places.

Brown V. Board

A landmark United States Supreme Court case in 1954 that declared state laws establishing separate public schools for black and white students to be unconstitutional.