-Which of the following is true of the fundamentals of regression analysis?

A-The regression coefficient is calculated by squaring errors depenent variable.

B-A fundamental basis of regression analysis is the assumption of a circular relationship between the independent and dependent variables.

C-Regression uses an estimation procedure called ordinary least squares that guarantees the line it estimates will be the best fitting line.

D-Any point that falls on the line of a regression analysis is the result of unexplained variance.

E-The differences between actual and predicted values of the dependent variable are known as regression coefficients and are represented by b.

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