The purpose of the Final Exam is to assess your understanding of the main statistical concepts covered in this course and to evaluate your ability to critically review a quantitative

The purpose of the Final Exam is to assess your understanding of the  main statistical concepts covered in this course and to evaluate your  ability to critically review a quantitative research article.  The exam  will consist of two parts: Part I includes three essay questions and  Part II includes a research critique.  All of your responses should be  included in a single Word document for submission. include the following general headings for each section of the written exam within your Word document: There are three essay  questions in this section.  You must answer all three questions.  The  length of each essay should be one to two double-spaced pages (excluding  title and reference pages).  Use 12-point font and format your paper  with regular 1-inch margins.  Do not include the essay prompt in your  document.  It will not count toward the length requirement for your  essays. A group of researchers  conducted an experiment to determine which vaccine is more effective for  preventing getting the flu. They tested two different types of  vaccines: a shot and a nasal spray. To test the effectiveness, 1000  participants were randomly selected with 500 people getting the shot and  500 the nasal spray. Of the 500 people were treated with the shot, 80  developed the flu and 420 did not. Of the people who were treated with  the nasal spray, 120 people developed the flu and 380 did not. The level  of significance was set at .05. The proportion of people who were  treated with the shot who developed the flu = .16, and the proportion of  the people who were treated with the nasal spray was .24. The  calculated value = .0008. For this essay, describe  the statistical approaches (e.g., identify the hypotheses and research  methods) used in this excerpt from a research study.  Interpret the  statistical results and examine the limitations of the statistical  methods.  Finally, evaluate the research study as a whole and apply what  you have learned about hypothesis testing and inferential statistics by  discussing how you might conduct a follow-up study. Your essay must address the following points:

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