Question
You have noticed that people have 2 sleep styles: night owls are people who like to stay awake after midnight, whereas larks like to go
You have noticed that people have 2 sleep styles: "night owls" are people who like to stay awake after midnight, whereas "larks" like to go to bed early. You have also noticed that some people prefer to eat breakfast as soon as they wake up in the morning, whereas other people don't eat anything until lunch. You wonder if these two traits are associated. You decide to survey a sample of Carleton students to test your hypothesis that larks are more likely to be breakfast eaters. You will ask each student whether they identify as a night owl or a lark, and whether they usually eat breakfast or not. a) Name the two variables in this study and state whether each one is categorical or numerical. b) Is this an observational or experimental study? c) What type of statistical test would you use to evaluate your hypothesis here? What is the null hypothesis for this particular test? d) Go to the simulation here to collect your data and run the test: https://bit.ly/2ZNlLM4 You can choose your sample size in the simulation (it just has to be between n = 16 and n = 100). After collecting data, click the button to run the analysis, and then report on your results (3-5 sentences). What do your results indicate? Did you reject the null hypothesis? (Use the conventional alpha of 0.05.) In addition to your test results, be sure to report descriptive statistics (e.g., by calculating percentages/proportions using the values in the contingency table).
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