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2. There is an assumption that the GPA and monthly income of employees are correlated. The following data are the results of a survey of

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2. There is an assumption that the GPA and monthly income of employees are correlated. The following data are the results of a survey of six employees of PT "JM", (salaries in hundreds of thousands of rupiah) GPA 2,6 3,4 3,6 3,1 3,5 2,8 Salary 43 46 40 45 48 34 a. Make a linear regression equation for salary on GPA; calculate the estimated salary if GPA = 3.8. b. Is the correlation positive? (Calculate the correlation coefficient)

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