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QUESTION 5 [17] Refer to QUESTION 4. (a) Calculate SSE = > (Yi - Bixi - Bzx? ) and an unbiased estimate of 62. (5+1)

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QUESTION 5 [17] Refer to QUESTION 4. (a) Calculate SSE = > (Yi - Bixi - Bzx? ) and an unbiased estimate of 62. (5+1) 1=1 (b) Calculate and interpret the correlation coefficient between Y and x. (6) (c) Let p be the true (population) correlation coefficient between Y and x. Test the hypothe- ses Ho : p = 0 versus H1 : p > 0 at the 0.05 level of significance

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