When r is zero than both regression coefficients are________?
Correct answer: A. 0
- A. 0
- B. 1
- C. 2
- D. Infinity
Explanation
The regression coefficients satisfy b_yx = r(s_y/s_x) and b_xy = r(s_x/s_y). Therefore, when r is zero and the standard deviations are nonzero, both regression coefficients are zero.
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