Question: In performing a regression analysis involving two numerical variables, you assume: (a) the variances of X and Y are equal (b) the variation around the

In performing a regression analysis involving two numerical variables, you assume:

(a) the variances of X and Y are equal

(b) the variation around the line of regression is the same for each X value

(c) that X and Y are independent

(d) All of the above

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