In this video Matthijs answers the following questions using an example of two variables: 1. Is there a linear relationship? 2. What is the Pearson's r? 3. What is the regression equation and…
This video shows how you can describe a regression line with a regression equation. Matthijs explains the different parts of the regression equation: predicted value of y, intercept, regression…
In this video you learn what residuals are and how they are used to find the best fitting straight line in simple regression. You learn to use two formulas to calculate the intercept and the…