Line of Best Fit: What it is, How to Find it - Statistics How To

The line of best fit (or trendline) is an educated guess about where a linear equation might fall in a set of data plotted on a scatter plot.

Finding an Equation of Best Fit using Desmos

What is the Line of Best Fit and What is its Significance?, by ManjuLa S

Line of Best Fit (Least Square Method)

Introduction to residuals (article)

Line of best fit, GeoGebra, calculations of line of best fit

Estimating the line of best fit exercise (video)

4.7.5: Fitting Lines to Data - K12 LibreTexts

Goodness-of-Fit

Solved Write the equation of the best-fit line. Use x and y

How to Make Predictions from the Line of Best Fit, Algebra

Chapter 18 Scatterplots and Best Fit Lines - Single Set

Finding an Equation of Best Fit using Desmos