# MATH 221 Refection Paper

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MATH 221 Refection Paper
Complete the following by writing a response to three of the four following questions…

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## MATH 221 Refection Paper

MATH 221 Refection Paper

A+ Week 8Â

Complete the following by writing a response toÂ threeÂ of the four following 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.

Your responses are to be based on your own experiences and insights.Â  Do not use materials and examples from other sources, including the Internet.Â  Students have used examples from outside sources in the past and have failed this final assessment and in some cases, failed the course due to evidence of plagiarism.

1. Describe how you could useÂ hypothesis testingto help make a decision in your current job, a past job, or a life situation. Include a description of the decision, what would be the null and alternative hypotheses, and how data could ideally be collected to test the hypotheses.
2. Describe how you could useÂ confidence intervalsto 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 be collected to determine the interval.
3. Describe how you could useÂ regression analysisto help make a decision in your current job, a past job, or a life situation. Include a description of the decision, what would be the independent and dependent variables, and how data could ideally be collected to calculate the regression equation.
4. Describe a data set that you have encountered or could envision that would be applicable to your current job, a past job, or a life situation. Identify two (2) options forÂ graphically representingthose 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.
 Category Points % Description First question response 42 28% Is the statistical approach applied in a relevant situation? Are subsequent questions answered? Second question response 42 28% Is the statistical approach applied in a relevant situation? Are subsequent questions answered? Third question response 42 28% Is the statistical approach applied in a relevant situation? Are subsequent questions answered? Content Organization and Cohesiveness 12 8% Is the paper clear, concise, are ideas presented and developed, does the paper flow? How easy/difficult is the paper to read? Grammar, Spelling, Editing, and so on 12 8% Is the paper of high quality, few or no misspelled words, correct grammar and punctuation used, and so on? Total 150 100% A quality paper will meet or exceed all of the above requirements.