A scatterplot that appears as a shapeless mass of data points

A scatterplot that appears as a shapeless mass of data points indicates ____.
A) a curved relationship among the variables
B) a linear relationship among the variables
C) a nonlinear relationship among the variables
D) no relationship among the variables


The standard error of the estimate (Se) is essentially the ____.


A)mean of the residuals


B)standard deviation of the residuals


C)mean of the independent variable


D)standard deviation of the independent variable


In linear regression, we fit the least squares line to a set of values (or points on a scatterplot). The distance from the line to a point is called the ____.
A) fitted value
B) residual
C) correlation
D) covariance
E) none of these options


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