Differences Between Percentages For Two Groups
Your response should be at least 200 words in length per response. You are required to use your textbook plus one outside source as sources material for your response. Follow APA guidelines and all references must not be over five years old.
1. Briefly explain differences between percentages for two groups and differences between averages for two groups. When a standard error of a difference (between percentages or averages) is computed, what two factors are taken into account, and how does each affect the size of the standard error?
2. How does multiple regression differ from bivariate regression? How is it similar?
3. What is ANOVA, and when is it used? Why is it termed efficient?
4. Explain why the statistical significance of a correlation is important. That is, what must be assumed when the correlation is found not to be statistically significant?
5. What are differences and describe the three ways that a researcher can investigate for differences?
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