MATH 221 WK 8 [end-of-course] Reflection Paper;Statistics For Decision Making: DEVRY UNIVERSITY

Complete the following by writing a response to three of the four following questions (Download Include Solution for All Four Questions). For each question, your response should be 2 or more paragraphs. Make it clear which question you are answering and use correct grammar throughout. If you answer all four questions, only the first three provided will be graded. Describe how you could use hypothesis testing to help make a decision in your current job, a past job, or a life situation. Include a description of the decision, what would … the null and alternative hypotheses, and how data could ideally … collected to test the hypotheses. Describe how you could use confidence intervals to help make a decision in your current job, a past job, or life situation. Include a description of the decision, how the interval would impact the decision, and how data could ideally … collected to determine the interval. Describe how you could use regression analysis to help make a decision in your current job, a past job, or a life situation. Include a description of the decision, what would … the independent and dependent variables, and how data could ideally … collected to calculate the regression equation. Describe a data set that you have encountered or could envision that would … applicable to your current job, a past job, or a life situation. Identify two (2) options for graphically representing those data to present to decision-makers, such a pie charts, time series, Pareto charts, histograms, etc. Assess the pros and cons of each graphical option. MATH 221 Week 8