4 Manually Calculate The Sum Of Squared Errors For This Model Show Your Work Thought 4080896

4. Manually calculate the Sum of Squared Errors for this model. Show your work/thought process: The regression yields this equation: SCORE = 60.069 + 6.101*STUDY -0.004*TEXTS Now either manually or via Excel enter these values for each row of data and create a prediction. For example, for the first row of data: SCORE = 60.069 + 6.101*3 -0.004*115 SCORE = 77.912 The error is the difference between the Predicted and the Actual. Error = 77.912 – 80 = -2.088. Now square the error: -2.088 squared = 4.360 Now do this for all rows and then sum the squared errors. NEXT PAGE Score Studying (hours per Texts (per day) Predicted Error Squared (Actual) week) 80 115 77.912 -2.088 4.360 71.771 -3.229 10.426 77.368 -10.632 113.039 65.95 0.95 0.903 65.93 6.07 36.845 84.425 -6.575 43.231 71.479 16.479 271.557 65.326 -2.674 7.150 78.052 4.052 16.419 78.212 6.212 38.589 83.973 3.973 15.785 SSE 558.304 SSE = 558.304

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