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EXERCISE 8 Consider the simple regression model: yi = .60 + 511'1' 4: Q. Show that the sum of the residuals is always equal to

EXERCISE 8 Consider the simple regression model: yi = .60 + 511'1' 4: Q. Show that the sum of the residuals is always equal to zero: 2:1 53.11 = 0, Where 8.1' = yi Q: and y: = 30 + 313:5

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