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Reducing Pollution A random sample of 12th-grade students were asked to rate the importance of reducing pollution on a scale from 0 to 1000. Responses were recorded by gender. The results of a hypothesis test are shown. Assume the conditions for using a two-sample
a. Which group has a higher
b. Test the hypothesis that the mean rating for males and females are different, using a significance level of
Two sample T hypothesis test:
(without pooled variances)
Hypothesis test results:
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Chapter 9 Solutions
EP INTRODUCTORY STATISTICS-MYSTATLAB
- Glencoe Algebra 1, Student Edition, 9780079039897...AlgebraISBN:9780079039897Author:CarterPublisher:McGraw HillBig Ideas Math A Bridge To Success Algebra 1: Stu...AlgebraISBN:9781680331141Author:HOUGHTON MIFFLIN HARCOURTPublisher:Houghton Mifflin Harcourt
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