17 Jul Download?the assignment template from this weeks resources and review the steps for this assignment.? 2.Once you have reviewed the steps, complete the problems and questions as pr
Instructions
1.Download the assignment template from this week’s resources and review the steps for this assignment.
2.Once you have reviewed the steps, complete the problems and questions as presented.
3.Show your work using your statistical program output. You may show manual/hand calculations only if SPSS program cannot be accessed. There are two deliverables you must submit this week
PSY-7104 Statistics I
Week 11 Assignment: Chi-square
In a study of high school students at least 16 years of age, researchers obtained the survey results summarized in the table below (based on data from “Texting While Driving and Other Risk Motor Vehicle Behaviors Among U.S. High School Students” by O’Malley, Shults, and Eaton, Pediatrics, Vol. 131, No.6).
|
Irregular Seat Belt Use? |
||
|
Yes |
No |
|
|
Texted While Driving |
1737 |
2048 |
|
Did not Text While Driving |
1945 |
2775 |
· State the null and alternative hypotheses.
· Assuming independence, what are the expected frequencies for each of these variables?
· What is the value of the X2 statistic?
· Use a 0.05 significance level to test the claim of independence between texting while driving and irregular seat belt use. Are those two risky behaviors independent of each other? Calculate the chi-square manually or using Excel.
Submit the SPSS output file in a PDF to show the work you have done. Also submit a separate Word file describing the results in APA. Incorporate relevant table(s) and figure/graph(s) in the Word document formatted in APA style.
*Assignment adapted from Bennett, J. O., Briggs, W. L., & Triola, M. F. (2017). Statistical reasoning for everyday life. Boston, MA: Pearson-Addison Wesley.
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