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A random sample of 11 statistics students produced the following data where x is the third exam score, out of 80, and y is the final exam score, out of 200.
THIRD EXAM SCORE (X) FINAL EXAM SCORE (Y)65 17567 13371 18571 16366 12675 19867 15370 16371 15969 15169 159 A) Predict the final score if the person obtains a third exam score of 68.
B) Calculate the standard error of the estimate.
C) Give the percentage of variation explained by regression. 2. The regression line = 3 + 2x has been fitted to the data points (4,8) , (2,5) and (1,2). The sum of the squared residuals will be
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