independent samples t-test.

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section: Chapter Questions
Problem 8CR
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A researcher is studying the amount of money people donate to political causes. They compared people who identify as one of the two major parties (M = $250) with people who do not (M = $175). They rejected the null hypothesis in an independent samples t-test. What substantive conclusion did they draw?

  A)

People who belong to major parties donate more to political causes than people who do not

  B)

People who belong to major parties donate less to political causes than people who do not

  C)

There is no difference in donations between who do and do not belong to major parties

  D)

None of these conclusions is correct

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