Bozeman Science
Graphing Data by Spreadsheet
Paul Andersen shows you how to graph data by hand. He explains the required elements of a scatter plot with a best fit line. He shows you how to properly scale and label the axes.
Curated Video
Scatter Plots and Lines of Fit: Understanding Correlation in Math
This lesson will provide instruction to learn to interpret scatter plots, to be able to identify types of correlation between data sets, and use lines of fit to model data. You will learn how to best draw a line of fit, how to write an...
Curated Video
Finding Lines of Fit
This video will review and practice how to create, graph and write equations of Lines of Fit on Scatter Plots. Topics covered: find slope between two points, using slope-intercept form to find the y-intercept, describing trend lines,...
Curated Video
Making Predictions with Lines of Fit
In this video, the teacher explains how to find lines of fit and use them to make predictions based on data. The lesson includes examples and tips for drawing the best fit line and finding the slope and Y-intercept of the line. Students...
Khan Academy
Khan Academy: Proof (Pt 4) Minimizing Squared Error to Regression Line
Video about deriving the formula for the least squares regression line. This final video finishes up the derivation of the formula for line of best fit by solving the system of equations created by the partial derivatives. It finally...
Khan Academy
Khan Academy: Statistics: Second Regression Example
Video demonstrates how to calculate the equation of the regression line from a set of 4 points. Leads up to determining the coefficient of determination or r-squared which is shown in the next video. [9:15]
Khan Academy
Khan Academy: Statistics: Calculating R Squared
Video shows using a spreadsheet to demonstrate calculating the coefficient of determination or r-squared. Also explains how to interpret the value of r-squared. [9:45]
Khan Academy
Khan Academy: Linear Regression and Correlation: Calculating R Squared
Video shows using a spreadsheet to demonstrate calculating the coefficient of determination or r-squared. Also explains how to interpret the value of r-squared.