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4. Refer to #3. Use the resultsx = 2. 9386,55 = 3. 3647, b = 14.6819, Se = 3. 54-17 and f = 2.8562 +

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4. Refer to #3. Use the resultsx = 2. 9386,55\" = 3. 3647, b = 14.6819, Se = 3. 54-17 and f = 2.8562 + 14-. 6819.]: to do the following: a) Construct a 98% confidence interval for the mean starting salary of recent college graduates with a GPA of 3.15. b) Construct a 98% prediction interval for the starting salary of a randomly selected college graduate with a GPA of 3.15

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