U2.6 Least Squares Regression
Construct, interpret, and apply the least-squares regression line ŷ = a + bx. Interpret slope and intercept in context. Use ŷ = ȳ + r(s_y/s_x)(x − x̄). Avoid extrapolation.
What you'll do in this lesson
A voice-first session with the Crimsora tutor on U2.6 Least Squares Regression, then targeted practice and FRQs — with the tutor adapting to where you get stuck.