Rheumatoid Arthritis Patients

DirectionsAnswer the questions in this document in a different color and not bolded. For an example of formatting, see the worked examples in the Lesson 1 module in Canvas. Copying answers from any source is an academic integrity violation. Posting content from this assignment to any online site outside of this course is an academic integrity violation. If you have any questions, post them to the course discussion board.No statistical software is needed to complete this assignment .Use the following scenario to answer the questions below.Research question: Do patients with rheumatoid arthritis who do yoga at least once a week report lower levels of perceived joint pain than patients who do not do yoga at least once a week? Researchers plan to obtain a sample of 500 patients who have been diagnosed with rheumatoid arthritis. They will ask each participant two questions:1.  Do you do yoga at least once a week? (yes/no)2.

On a scale of 0 to 100, how would you rate your level of joint pain right now? Researchers will compare the average joint pain ratings of participants who said they do yoga at least once a week and participants who said they do not do yoga at least once a week. 1. Is this an observational or experimental study? Explain how you determined this. [10 points]2. What is the intended population in the study? Explain how you determined this. [10 points]3. What is the sample in the study? Explain how you determined this. [10 points]4. What are the explanatory and response variables in this study? Explain how you determined this. [10 points]5. Is the explanatory variable you identified in question 4 a categorical or quantitative variable? Explain how you determined this. [10 points]6. Is the response variable you identified in question 4 a categorical or quantitative variable? Explain how you determined this. [10 points]STAT 200 Lesson 1: Gathering Data                        Due Tuesday, May 25, 20217.

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Describe how researchers could use a convenience sampling method to obtain a sample of 500 patients with rheumatoid arthritis. In other words, describe the procedures of obtaining a convenience sample in this specific scenario. [10 points]In this study, the researchers could obtain a convenience sample by….8. Describe how researchers could use a simple random sampling method to obtain a sample of 500 patients with rheumatoid arthritis. In other words, describe the procedures of obtaining a simple random sample in this specific scenario. [10 points]In this study, the researchers could obtain a simple random sample by….9. In order to obtain a sample that is representative of the intended population, should researchers use the convenience sampling method from question 7 or the simple random sampling method from question 8? Explain why. [10 points]10. Suppose the researchers find that the group that did yoga at least once a week had lower perceived joint pain ratings than the group that did not do yoga at least once a week. Can the researchers conclude that yoga causes perceived joint pain ratings to decrease? Explain why or why not. [10 points] Get homework help here.

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