“Central Tendency, Variability, and Relative Standing”

 This chapter examines the many ways data distribution for a quantitative variable can be described through shape, central tendency, and variability. Software IBM SPSS Statistics Standard GradPack (current version). Available in Windows and Macintosh versions. Please refer to the IBM SPSS Software area in the Course Overview section on the left navigation bar for more information on how to install, register, and license this software. Optional Resources Bilheimer, L. T., & Klein, R. J. (2010). Data and measurement issues in the analysis of health disparities. Health Services Research, 45(5), 1489–1507. doi:10.1111/j.1475-6773.2010.01143.x Note: You will access this article from the Walden Library databases. Granberg-Rademacker, J. S. (2010). An algorithm for converting ordinal scale measurement data to interval/ratio scale. Educational & Psychological Measurement, 70(1), 74–90. Note: You will access this article from the Walden Library databases. Statistics Help for Students. (2008). Retrieved from http://statistics-help-for-students.com/ This site provides step-by-step procedures and screenshots for working with SPSS. Walden University. (n.d.). Descriptive statistics. Retrieved August 1, 2011, from http://streaming.waldenu.edu/hdp/researchtutorials/educ8106_player/educ8106_descriptive_stats.html