Simple Linear Regression:  The Least Squares Regression Line (Old, fast version) @jbstatistics
Simple Linear Regression:  The Least Squares Regression Line (Old, fast version)  @jbstatistics
Uploaded April 2012 | Updated September 2026, 2 hours ago
I have an updated and revised (slower and otherwise improved) version of this video available at: youtube.com/watch?v=coQAAN4eY5s

An introduction to the least squares regression line in simple linear regression.

The data used is estimated from a figure given in:

Singer et al. (2004). Empathy for pain involves the affective but not sensory components of pain. Science, 303:1157--1162.
Simple Linear Regression:  The Least Squares Regression Line (Old, fast version)The Expected Value and Variance of Discrete Random VariablesA One-Way ANOVA ExampleNormal Quantile-Quantile PlotsFinding the P-value in One-Way ANOVAZ Tests for One Mean: An ExampleDont watch this!  (A t test example where nearly everything I say is wrong)Inference for Two Means:  Introduction (Old, fast version)Finding the p-value in one-sample Z testsSampling Distributions:  Introduction to the ConceptR Basics: Finding Percentiles and Areas for the t DistributionInference for a Variance: How Robust are These Procedures?
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Simple Linear Regression: The Least Squares Regression Line (Old, fast version)

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