Question: Problem 9 (10 points) A sample of 25 observations has been represented by a model of the form y = Bo + Bx +

Problem 9 (10 points) A sample of 25 observations has been represented

Problem 9 (10 points) A sample of 25 observations has been represented by a model of the form y = Bo + Bx + BX2 + , where e is a random error term with mean 0 and variance o. You are given: (X'X)- = s = 0.0361 3 = 188.9832 0.8578 -28.0275 0.8578 0.2500 -0.6000 -28.0275 -0.6000 5.0625 || -4.04 0.14 0.45 Determine the shortest symmetric 95-percent confidence interval for .

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