Bivariate statistical measures

Bivariate statistical measures

1. Analysis of quantitative variables

   • correlation analysis
     • measure
       • the closeness between the relationship of two or more variables
         • none correlation
         • correlation positive weak
         • correlation positive moderate
         • correlation positive strong
         • correlation positive perfect
         • correlation negative weak
         • correlation negative moderatea
         • correlation negative strong
         • correlation negative perfect
   • regression analysis
     • it's used
       • to derive an equation that relates the criterion variable with one or more variables prediction

2. Lineal funtion

   • Linear regression Y =a+bx

3. dependent variables

4. Independent variables