Jul 16, 2017
Probability and Health Statistics
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Probability and Health Statistics INSTRUCTIONS:
For the fourth component of the Session Long Project, write a 2- to 3-page essay in which you: 1.Develop a null hypothesis and an alternative hypothesis based on the data you have collected. 2.Discuss why you have chosen the hypotheses you developed above. Be sure to discuss the concept of null hypothesis in your response. Required Reading Michelson, S. & Schofield, T. (2002). Chapter 2: Inference (pages 45-53). In: The Biostatistics Cookbook: The Most User-Friendly Guide for the Bio/Medical Scientist. Kluwer Academic Publishers. Available in Ebrary, accessed via Trident’s online library. Additional Reading (Optional) Davis, R. and Mukamal, K. (2006). Statistical Primer for Cardiovascular Research: Hypothesis testing. Retrieved from http://circ.ahajournals.org/content/114/10/1078.full McDonald, JH (2009). Basic concepts of hypothesis testing. Retrieved from http://udel.edu/~mcdonald/stathyptesting.html Johnson, L. (2008). Principles of Hypothesis Testing for Public Health. National Center for Complementary and Alternative Medicine. Retrieved from www.nihtraining.com/cc/ippcr/current/downloads/HypoTest.pdf Additional Resources (Optional) Creative Heuristics (2011, Dec.). Hypothesis tests, p-value - Statistics Help. Retrieved from http://www.youtube.com/watch?v=0zZYBALbZgg Creative Heuristics (2011, Oct. ) Understanding the p-value - Statistics Help. Retrieved from http://www.youtube.com/watch?v=eyknGvncKLw
CONTENT:
Probability and Health Statistics Dawn Gallegos BHS 220 Dr. Ogbochi McKinney 29 May, 2015 Null hypothesis and alternative hypothesis Null hypothesis: H0: Physical exercises do no result to weight loss and physical fitness Alternative hypothesis: H1: Physical exercises are associated with weight loss and improved physical fitness. The duration, as well as the frequency of the exercises, might not lead to huge changes, while time constraints and external factors might limit the ability to assess the effectiveness of the physical exercises. Since there is energy expenditure during physical exercises, there is likelihood that I would lose weight over time, especially when the dietary intake is also healthy. Decreased physical activities might increase the risk of being overweight and physically unfit. Equally, physical exercises boost metabolism, while energy loss is then a pathwa
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