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Which of the following statements is/are true regarding the construction of the least squares regression line?

I. The least squares regression line must pass through the averages of the dependent and independent variables.
II. The least squares regression line is constructed in such a way as to minimize the distance between the observed points and the $x$-axis.
III. The least squares regression line is not resistant to extreme observations.

A

I only.

B

I and II only.

C

I, II, and III.

D

II and III only.

E

I and III only.

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