Unit4Disc1

Unit4Disc1QDA Applying Hypothesis Testing

For this discussion, answer the following questions: What is a null hypothesis? What is an alternative hypothesis?

Then articulate a null hypothesis and alternative hypothesis for a research study that pertains to your area of specialization. What conclusions can be drawn from this study with a “statistically significant” result?

Readings

Use your Warner text, Applied Statistics: From Bivariate Through Multivariate Techniques, to complete the following: Read Chapter 3, “Statistical Significance Testing,” pages 81–124. This reading addresses the following topics:  The logic of null hypothesis testing. Type I and Type II errors. The z test. Null hypothesis and alternative hypothesis. Limiting Type I error. Effect size. Statistical power.

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