# Answers to Applications #2 - RES/342 Applications#2(6...

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RES/342 Applications #2 (6 points) ANSWERS Name: Please read this carefully : Type in your name above and complete the following three applications by answering them directly on their respective page that follows this cover sheet. Show all calculations for credit. Send to your Individual forum no later than Monday, Day 7. Identify the formula number(s) or type them in, and show all calculations for credit. If you use Excel or other software, you must embed them into the applications and not send as a separate attachment. Use the five step hypothesis testing process for Parts B and C. Each of the three parts is valued at 2 points.

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A. In a particular chi-square goodness-of-fit test there are four categories and 200 observations. The significance level is 0.05. a. How many degrees of freedom are there? 3 b. What is the critical value of chi-square? df = 4 –1 - = 3 7.815 (Appendix H, Critical Values of Chi-Square) B. The null and alternative hypotheses are: H O : The cell categories are equal.
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