Curve Fitting with Linear Models
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correlation
A measure of the strength and direction of the relationship between two variables or data sets.
correlation coefficient
A number r, where -1 is less than or equal to r is less than or equal to 1, that describes how closely the points in a scatter plot cluster around the least-squares line.
linear regression
A statistical method used to fit a linear model to a given data set.
line of best fit
The line that comes closest to all of the points in a data set.
regression
The statistical study of the relationship between variables.
