The Best SUVs and Crossovers of 2015: Editorsâ Choice. These are our choices for the best SUVs and crossovers of 2015. If youâre looking for the best small, mid-size or luxury SUVs and crossovers, youâll find them here. Nissan Juke.
Two main statistical methods are used in data analysis: descriptive statistics, which summarizes data from a sample using indexes such as the mean or standard deviation, and inferential statistics, which draws conclusions from data that are subject to random variation (e.g., observational errors, sampling variation).
Regression Analysis. Regression analysis is used to model the relationship between a response variable and one or more predictor variables. STATGRAPHICS Centurion provides a large number of procedures for fitting different types of regression models: