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Homework answers / question archive / Ashford 4: - Week 3 - Discussion 1 Your initial discussion thread is due on Day 3 (Thursday) and you have until Day 7 (Monday) to respond to your classmates

**Ashford 4: - Week 3 - Discussion 1**

Your initial discussion thread is due on Day 3 (Thursday) and you have until Day 7 (Monday) to respond to your classmates. Your grade will reflect both the quality of your initial post and the depth of your responses. Reference the Discussion Forum Grading Rubric for guidance on how your discussion will be evaluated.

**Choose the Analysis**

A researcher wishes to study the effect of a new drug on blood pressure. Would you recommend using a z-test, a t-test, or an A.N.O.V.A. for the analysis? Explain your answer. What would your choice of test depend on? For the test you select, explain your design and your comparison groups. Would the hypothesis be directional or non-directional? Would the test be one-tailed or two-tailed? What would be the null and what would be the alternative hypothesis?

**Guided Response**: Review several of your classmates’ posts. Respond to at least two of your classmates. Do you agree or disagree with the test selected by your peer? What suggestions would you make for change or improvement? How does the number of groups being compared affect the statistical analysis?