Suppose we have a set of 100 x y points if we multiply all

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Suppose we have a set of 100 (x, y) points. If we multiply all of the x's by 10, then:

A. The mean and standard deviation of the x's will be 10 times bigger.

B. The slope and intercept of the regression line will be 1/10 of their original values (10 times smaller).

C. The z-scores for both x and y will stay the same.

D. All of the above are true.

E. Only two of the above are true.

Reference no: EM13622762

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