Posted: May 31st, 2016

Describe the five step process for hypothesis testing. Which is the most difficult step, and why?

Describe the five step process for hypothesis testing. Which is the most difficult step, and why?

Define the concept of a t and z statistic. What do these statistics allow you to do? In other words, what is the statistical relevance of these formulas?

Discuss the importance of the standard deviation in relation to the z or t test statistic. How is the calculation affected if you do, or do not know, the standard deviation.