Variability of coefficients
Inference for Linear Regression in R
Jo Hardin
Professor, Pomona College
RailTrails - a change in sample size
n=10
n=50
RailTrails - less variability around the line
n=50, original data
n=50, tighter data
RailTrails - less variability in the x direction
n=50, original data
n=50, less data in x-direction
