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The following regression equation was computed from a sample of 20 observations: y =155 x SSE was found to be 100 and SS total, 400.

The following regression equation was computed from a sample of 20 observations:

y =155x

SSE was found to be 100 and SS total, 400. a. Determine the standard error of estimate. b. Determine the coefficient of determination. c. Determine the correlation coefficient. (Caution: Watch the sign!)

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