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The Formula for Calculating the Slope for a Regression Line $\sigma$

Question 3

Multiple Choice

The formula for calculating the slope for a regression line is:

A) r[ $\sigma$ _x/ $\sigma$ _y].
B) r[ $\sigma$ _y/ $\sigma$ _x].
C) r[z_y/ z_x].
D) r[z_x/ z_y].

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