Need help with a statistics question to examine assumptions and limitations

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In this discussion, you will
evaluate a research question and determine how that question might best be
analyzed.  To do this, you will need to identify the appropriate
application of course specified statistical tests, examine assumptions and
limitations of course specified statistical tests, and communicate in writing
critiques of statistical tests.

 

A researcher wishes to study the
effect of a new drug on blood pressure.  Consider and discuss the
following questions as you respond:

Would you recommend using a z-test, a t-test, or an
     ANOVA 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?

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