Linear Modelingmedium
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A residual plot is constructed by plotting residuals on the y-axis and fitted values on the x-axis. The Q-Q plot of residuals (quantiles of residuals vs. quantiles of a standard normal distribution) shows points forming an S-shaped curve: points fall below the diagonal line at both tails, and above it in the middle. What does this pattern indicate?
A residual plot is constructed by plotting residuals on the y-axis and fitted values on the x-axis. The Q-Q plot of residuals (quantiles of residuals vs. quantiles of a standard normal distribution) shows points forming an S-shaped curve: points fall below the diagonal line at both tails, and above it in the middle. What does this pattern indicate?