Daily Archives: October 22, 2019

1. Correlations answer questions of the relationship between two variables. Scatter plots is one way of determining the form of relationship. 2. Correlation coefficient (r) quantify the linear relationship between two variables.Pearson r: A statistical index of how 2 variables systematically relate to one another in a linear fashion. Range: -1 to +1 Sign (direction):Continue reading “Class #13: Correlation”