Introduction to statistics

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Introduction to statistics

DRAWING INFERENCES ABOUT POPULATION MEANS AND PROPORTIONS

Having developed the null and alternative hypotheses in the previous assignment, write a (2-3 pages) paper in which you:

  1. Identify a test statistic to help you assess the evidence against the null hypothesis you developed in the previous module.
  2. Explain why you have chosen the specific test statistic. Include in your discussion description of the test statistic.
  3. Summarize your findings by creating a summary graph in which you display your data.
  4. Discuss the total number of measurements (sample size), the possibility for measurement error, and whether it is large enough to paint an accurate pict

Required Reading and Resources

Cook, A., Netuveli, G., & Sheikh, A. (2004). Chapters 5: Study design, Chapter 6: Combining students, Chapter 7: Managing data. In Basic skills in statistics: A guide for healthcare professionals(pp. 53-86). London, GBR: Class Publishing. eISBN: 9781859591291.

Norman, G. R., & Streiner, D. L. (2014). Section the second: Analysis of variance. Chapter 7: Comparing two groups. In Biostatistics: The bare essentials [4th ed., e-Book]. Shelton, Connecticut: PMPH-USA, Ltd. eISBN-13: 978-1-60795-279-4. Available in the Trident Online Library EBSCO eBook Collection.

Norman, G. R., & Streiner, D. L. (2014). Section the third: Regression and correlation. Chapter 13: Simple regression and correlation. In Biostatistics: The bare essentials [4th ed., e-Book]. Shelton, Connecticut: PMPH-USA, Ltd. eISBN-13: 978-1-60795-279-4. Available in the Trident Online Library EBSCO eBook Collection.

Norman, G. R., & Streiner, D. L. (2014). Section the fourth: Non-parametric statistics. Chapter 21: Tests of significance for categorical frequency data. In Biostatistics: The bare essentials [4th ed., e-Book]. Shelton, Connecticut: PMPH-USA, Ltd. eISBN-13: 978-1-60795-279-4. Available in the Trident Online Library EBSCO eBook Collection.

Additional Reading and Resources (Optional)

Bozeman Science (2011, November 13). Chi-squared test . Retrieved from

Calvert, J. (2005). 2 by 2 contingency tables. Retrieved from http://mysite.du.edu/~jcalvert/econ/twobytwo.htm

McDonald, J. (2009). Chi-square test for goodness-of-fit. In Handbook of biological statistics [2nd ed.]. Sparky House Publishing: Baltimore, Maryland. Retrieved from http://www.biostathandbook.com/chigof.html

McDonald, J. (2009). Chi-square test of independence. In Handbook of biological statistics [2nd ed.]. Sparky House Publishing: Baltimore, Maryland. Retrieved from http://www.biostathandbook.com/chiind.html

Trochim, W. (2006). The t-test. Research Methods Knowledge Base. Retrieved from http://www.socialresearchmethods.net/kb/stat_t.php