Course: Introduction to Statistics without Maths: Regressions

R-Square (R²) is a statistical measure representing the proportion of variance in the dependent variable that is predictable from the independent variable(s). What Does It Mean to Explain Variability in …

T-tests and ANOVAs: Simple Tools for Comparing Groups Both t-tests and ANOVAs are methods used to compare the means (averages) of different groups, and they are special cases of linear …

You have already been introduced to the Cartesian Plane and a line that represents the relationship between two sets of variables. Here, we will discuss how this line, called the …

So far you have learned about simple linear regression. You have taken two variables and plotted them on the Cartesian plane and then worked out the Line of Best Fit. …

The Cartesian plane is a way to show data visually using two lines that cross each other at right angles. This creates a grid where we can plot points to …

What is the Y-intercept? The y-intercept is where a line crosses the vertical axis (y-axis) on a graph. It’s the starting point of the line when the horizontal value (x) …