Biostatistics Case 4

UNIVARIATE VS. BIVARIATE ANALYSES AND REGRESSION

Using the materials in the module homepage and in the background section, please address the following:

1. What      is the difference between "univariate" and      "multivariate" analyses? (1 page)
2. Define      and contrast dependent versus independent variables. (1 page)
3. Describe      the difference between logistic regression and linear regression. What      types of variables are used for the dependent variable? (1 page)

Length: Case Assignment should be at least 3 pages (750 words) in length.

Required Reading/Helpful Resources:

Lowry, R. (2016). Simple logistical regression. VassarStats: Website for Statistical Computation. http://www.vassarstats.net/logreg1.html

McDonald, J. H. (2014). Logistic Regression. In Handbook of Biological Statistics. Retrieved from http://www.biostathandbook.com/simplelogistic.html

National Library of Medicine. (n.d). Dependent and Independent Variables. https://www.nlm.nih.gov/nichsr/stats_tutorial/section2/mod4_variables.html

National Science Digital Library's Computation Science Education Research Desk. (2016). Univariate data and bivariate data. Retrieved from http://www.shodor.org/interactivate/discussions/UnivariateBivariate/

National Science Digital Library's Computation Science Education Research Desk. (2016). Graphing and interpreting bivariate data. Retrieved from http://www.shodor.org/interactivate/discussions/GraphingData/