Test (GMAT) score. A sample of 20 students who had completed 2 years in the program is selected. The results are stored in the file gpigmat .xls: a) Find the regression coefficient β ̂ 0 b) Find the regression coefficient β ̂ 1 (correct your answer to 3 decimal places) c) Find the coefficient of determination d) Find the coefficient of correlation (correct your answer to 3 decimal places) e) What conclusions can you reach about the relationship between GMAT and GPA? Answer : There is a (i) (ii) (iii) (iv) between GMAT and GPA. f) Predict the GPA of a student who got 689 score in GMAT.