Topic: ANOVA and Interpretation
Pages: 1, Double spaced
Order type: Essay
Language: English (U.S.)
ANOVA and Interpretation Instructions
See the attached
Download the assignment document and Excel file. Enter answers and explanations in the same document. Show calculations and other statistical operations in an Excel file, using one tab for each question. Submit both the Word and Excel files.
Compose your work using a word processor (or other software as appropriate) and save it frequently to your computer. When you’re ready to submit your work, click Browse My Computer and find your file. Once you’ve located your file click Open and, if successful, the file name will appear under the Attached files heading. Scroll to the bottom of the page, click Submit and you’re done. Be sure to check your work and correct any spelling or grammatical errors before you post it.
ANOVA and Interpretation
: Complete the following questions. Enter answers and explanations in this document. Show calculations in an Excel file, using a separate worksheet (tab) for each question.1. A corrections researcher is interested in gender differences in the amount of bail that arrestees have to pay. The data is contained in the tab labeled Question 1.a. What is the null hypothesis?b. What is the research hypothesis?c. What are the results of the hypothesis test? Interpret your findings.2. A researcher believes that alcohol intoxication might severely impair driving ability. To test this, he subjects 10 volunteers to a driving simulation test first while sober; and, then, after drinking amounts sufficient to raise their blood alcohol to .04. The researcher measures performance as the number of simulated obstacles with which the driver collides. Thus, the higher the number, the poorer the driving. The data is in the tab labeled Question 2. Test whether there are differences before and after drinking.a. What is the null hypothesis?b. What is the research hypothesis?c. What test will you run and why?d. What are the results of the hypothesis test? Interpret your findings.3. A researcher is interested in examining whether there are differences in students’ sense of safety across schools. She selects three schools and surveys five students from each school. The tab labeled Question 3 reflects the answers from this survey—the higher the score, the safer the student feels. Is there a difference between these schools in the students’ sense of safety?a. What is the null hypothesis?b. What is the research hypothesis?c. What test will you run and why?d. What are the results of the hypothesis test? Interpret your findings.e. Are there differences between School A and School C?