Statistics 3502/6304 Prof. Eric A. Suess Chapter 3

Data Description – Three or more Quantitative Variables Correlation Matrix Scatterplot Matrix

Two Quantitative Variables

Data Description – Three or more Quantitative Variables Correlation Matrix If we have many variables we can compute the correlation for all pair of quantitative variables. See Exercise 3.69 AIDS, syphilis, tuberculosis

Correlation Matrix Correlation: AIDS, Syphilis, Tuber. AIDS Syphilis Syphilis Tuber Cell Contents: Pearson correlation P-Value

Scatterplot Matrix

Scatterplot Matrix – Linear Regression

Scatterplot Matrix – Quadratic Linear Regression

Scatterplot Matrix – Cubic Linear Regression

Regression Models