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4-13 The students in a management science class have just received their scores from the first test. The teacher gave them information about these grades
4-13 The students in a management science class have just received their scores from the first test. The teacher gave them information about these grades in some previous classes and the final average for the same students. A sample of some qualifications was obtained: a) Give the values of r and r2 for this model. Interpret the value of r2 in the context of this problem.