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Residual standard deviation is a statistical term used to describe the difference in standard deviations of observed values vs. predicted values as shown by points in a regression analysis.

The term "standard error," or SE for short, is used to refer to the standard deviation of various sample statistics, such as the mean or median. When a population is sampled, the mean, or average ...

The regression (black line) passes through (mean height m H = 165, mean weight m W = 65.2) and has a slope of 0.70. Also shown are the 95% confidence interval (dark gray band) and 95% prediction ...