Statistics · regression

Simple Linear Regression Slope Formula

Finds the least-squares slope for simple linear regression.

b₁ = Σ(xᵢ − x̄)(yᵢ − ȳ) / Σ(xᵢ − x̄)²

Variables

b₁: regression slope
xᵢ, yᵢ: paired observations
x̄, ȳ: sample means

Reference details

Subject: Statistics
Topic: regression
Plain text: b1=sum(x_i-x-bar)(y_i-y-bar)/sum(x_i-x-bar)^2