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Which U.S. President could be credited for the creation of the Federal Emergency Management Agency?
Residual Plot
A graphical representation showing the residuals (the differences between observed and predicted values) on the vertical axis and the independent variable or predicted values on the horizontal axis, used to assess model fit.
Explanatory Variable
A variable in statistical analysis that is believed to influence or cause changes in another variable, often tested for effect.
Regression Analysis
A set of statistical processes for estimating the relationships between a dependent variable and one or more independent variables.
Confidence Interval
An estimate of an interval in which a population parameter lies, based on sample data, with a specified level of certainty.
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