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Resources: Ch. 5 and 6 of the text, the University Library, the Internet, and Statdisk Identify a normally distributed variable related to your chosen life science that serves as your example variable. Review the data sets presented in Appendix B of the text and in Statdisk, selecting one that corresponds with your chosen life science. Choose a particular variable you would like to explore and use Statdisk to determine if its distribution is approximately normal. Note. Data Set 5: Passive and Active Smoke in the text does not include normally distributed data and may not be used in this project. Prepare a 12- to 15-slide Microsoft ĺş? PowerPoint ĺş? presentation that explains confidence intervals in your chosen life science. Imagine that you are responsible for educating first-year college students who are majoring in your chosen life science. Explain to the students how and why confidence intervals relate to their field. Discuss the following questions: What is a normal distribution? Describe your example variable and explain why normally distributed data is important in your chosen life science. Show the distribution of your example variable in a Statdisk-generated image and demonstrate how to calculate the probability of a range of values within this normal distribution. What is a standard normal distribution? How does it differ from other normal distributions? Convert the normally distributed example variable within your chosen life science to a standard normal distribution. Show this example in a Statdisk-generated image and demonstrate how to calculate the probability of a range of values within this standard normal distribution. What is a confidence interval? Outline how confidence intervals may be used in your chosen life science. Demonstrate how to define confidence intervals within the normal distribution example variable. What is a confidence level? Show how a confidence level relates to the confidence interval using the example variable. What is a critical value? Show how critical values relate to the confidence interval using the example variable.

What is a margin of error? Describe how a margin of error relates to confidence intervals and to your chosen life science. Provide an example related to your example variable. What is a point estimate? Explain how a point estimate found from a confidence interval would be applied in your chosen life science. Provide an example related to your example variable. What can a confidence interval tell researchers in your chosen life science about an estimate of population mean? Provide an example related to your example variable. What can a confidence interval tell researchers in your chosen life science about an estimate of population variance? Provide an example related to your example variable. Include a title slide and conclusion slide, and cite at least four references on a references slide. Present the information about confidence intervals and your chosen life science to the instructor and the class just as you would to firstyear college students who need this information. For Local Campus students, these are oral presentations accompanied by Microsoft 庐 PowerPoint 庐 presentations. For Online and Directed Study students, these are Microsoft 庐 PowerPoint 庐 presentations with notes. Discuss with your classmates and answer questions.

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