In this forum we learn that z-score has limitations as a technique for testing hypothesis. (**Choose and discuss any 5, the same procedure where you make sure all questions have been addressed before you start over)** Let's discuss the following:

1. What is the problem with z-score:

2. What is t-statistic? Give formula

3. What is degrees of freedome (provide formula)?

4. Discuss the shape of the t distribution with example

5. Discuss the t formula using the 4 steps of hypothesis testing

6. What is the critical region?

7. What is the difference between t for population and t for sample?

8. How do we measure the effect size for t-statistic?

9. How do we measure the percentage of variance?

10. How do we construct a confidence Interval?

this is link to book

http://www.coursesmart.com/SR/5900667/9781111830991/cover?__hdv=6.8

Subject | Mathematics |

Due By (Pacific Time) | 06/16/2014 05:24 pm |

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