Solved: Define the concept of a t and z statistic, Basic Statistics

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Define the concept of a t and z statistic

Discussion:

Q1: Describe the five step process for hypothesis testing. Which is the most difficult step, and why?

Q2: 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?

Q3: 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.

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Basic Statistics: Define the concept of a t and z statistic

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