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Independent Variable
A variable in a study or experiment that is manipulated or changed to observe its effect on a dependent variable.
Residual Standard Deviation
A measure of the amount of variation in a set of observed values that is not explained by a statistical model, representing the standard deviation of the differences between predicted and observed values.
Regression Model
A mathematical representation used to estimate the relationship between a dependent variable and one or more independent variables.
Normally Distributed Residuals
Residuals (the differences between observed and predicted values) that are distributed according to a normal distribution, indicating a good fit for a linear model.
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