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1.Describe the difference between descriptive statistics and inferential statistics. 

2.When would someone use a hypothesis test? 

3.What is a test statistic and when would it be used? 

4.When would you use a one tail test and when would you use a two-tailed test? 

5.What is the critical region and how is it used to make statistical decisions? 

6.What is the p-value and how is it used to make decisions? 

7.For what kind of test would you use the Chi-Square table? 

8.What does Alpha (α) represent and how is it used it in hypothesis testing? 

9.How is a standard normal distribution different from a normal distribution that is not standard? 

10.Explain the principle that the regression line formula uses to best represent the data in a scatter diagram.