MATH1065: Quantitative Methods In Health – Statistical Analysis – Quantitative Methods In Health Assignment Help
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TASK
In order to address this question, you are going to work with variables CognitionZscore and alcohol use from the SleepStudy.xlsx data file.
Use Minitab to produce boxplots of cognitive scores by alcohol use shown horizontally within the same graph. Comment briefly on how cognitive scores compare across groups and whether you expect to find any statistically significant differences.
Is there a significant difference in mean cognitive skills based on the level of alcohol use as reported by students? Formulate and perform appropriate hypothesis test at 5% significance level. Use Minitab to obtain the test statistic and the P-value. For
Is it appropriate to argue cause and effect, in either direction, based on these results? Why or why not? Explain briefly. Hint: What type of study is this?
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