The marketing Department of Verohay's Company found that profit generated by the depends on the expenditure on research & development (R&D). The 1table below provide a сompany summary of the data....

Extracted text: The marketing Department of Verohay's Company found that profit generated by the depends on the expenditure on research & development (R&D). The 1table below provide a сompany summary of the data. Profit (Y) 80 60 40 25 70 10 100 5 50 | 90 R& D (X) 20 | 15 12 | 8 16 30 2 10 | 25 Using a lincar regression equation of the form Ya + ßX + e (a) Find the Values of (a) and (B) . (b) Calculate thc cocflicient of determination and interpret it. (c) Calculate the correlation coefficient and interpret it.