Any straight line graph has a constant gradient, which is calculated by the change in 𝑦 divided by the change in 𝑥, along any section of the graph. The gradient is measuring the steepness of the ...

In the world of mathematics, understanding how to calculate the slope of a line is an essential skill. The slope represents the rate at which a line rises or falls along the x and y axes on a ...

In the world of statistics and data analysis, one of the most common tasks is determining how two variables are related. The least squares regression line is a powerful tool used to quantify this ...