**Name: ** __
__ **Score: **
__ __

Answer Completely. |
Some calculations are required. |

Due Tue., July 26, 2005, 10:30:00.000, EDT. |
Due on the teacher's desk in BH114. |

- Identify the four steps of hypothesis testing.
- Describe Type I and Type II errors,
giving alternate name
**S**as well. - Give alternate names for one- and two-tailed tests.
- How are the level of significance and confidence interval (page 203)
related?
- How are the critical value(s) and the region of rejection related?
- Under what circumstance
**s**must you use the Student*t*distribution instead of the normal distribution? - Describe several characteristics of the Student
*t*distribution. - What are degrees of freedom?
- Find the 90th, 95th, and 99th percentile
for the Student
*t*distribution with 10 degrees of freedom. - How can researchers avoid the charge of playing a numbers game?

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- Copyright ©1998-2005, Keith G. Calkins. Revised on or after July 25, 2005.