5. ( ) In a regression analysis if r2 = 1, then (A) SSE must also be equal to one (B) SSE must be equal to zero (C) SSE can be any positive value (D) SSE must be negative (E) None of these answers is correct.

4. ( ) If the mean of a normal distribution is negative, then (A) the standard deviat ion must also be negative (B)'the variance must also be negative (C) a mistake has been made in the computations, because the mean of a normal distribution can not be negative (D) the standard deviation must be zero (E) None of these answers is correct.

5. ( ) In a regression analysis if r² = 1, then
(A) SSE must also be equal to one
(B) SSE must be equal to zero
(C) SSE can be any positive value
(D) SSE must be negative
(E) None of these answers is correct.

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