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**Unformatted text preview: **STAT 500 - Applied Statistics • ANGEL • Department of Statistics • Eberly College of Science Home Lesson 9 - Statistical Test Using Rejection Region Approach, Statistical Test for Population Mean, How to Use Confidence Interval to Draw Conclusion About Two-Sided Test, Power and Sample Sizes Submitted by gfj100 on Fri, 05/28/2010 - 08:55 This lesson introduces the rejection region approach to hypothesis testing and compares it to the p-value approach. One sample t-test for population mean is introduced. The lesson is concluded by a discussion of computation of power and sample size for one sample t-test. Lesson 9 Objectives Upon successful completion of this lesson, you will be able to: • perform statistical test for population mean. • use confidence interval to draw conclusion about two-sided test. • learn how to calculate power and to choose the sample size for testing the population...

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