This Question: 5 pts 30 of 31 (22 complete) This Quiz: 250 pts poss Use the valu

Question

This Question: 5 pts 30 of 31 (22 complete) This Quiz: 250 pts poss Use the value ol the linear correlation coefficient to calculate the coefficient of determination What does this tell you about the explained variation of the data about the regression line? Abou the unexplained vaniation? 0655 Calculate the coefficient of delermination (Round lo three docmal places as needed) What does this tell you about the explained variation of the data about the regression ino? ©%oftho vinton can be explained by the regressonino Round to one decimal place as nooded ) About the unoxplained varniation? Enter your answer in each of the answer boxes

Explanation / Answer

coefficient of determination can be calculated from correlation coefficient by taking its square. thus it is (0.655)^2 =0.429

thus, it is possible to explain 42.9% of the variation and not possible to explain 1-0.429 =0.571

or 57.1% of the variation

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