For Questions 20-24, refer to the problem below. Research has shown that coffee consumption and anxiety level are related. Data in the table below shows the number of cups of coffee consumed daily and the corresponding anxiety levels. x y? 2 1 Cups consumed Anxiety level (x) 6) 1 2 3 5 4 6 5 9 8 12 Oon 9 25 4 25 36 81 B 2 24 45 96 64 (4 marks) 20. The values of A, B and C, respectively, are: A8; 144 15 B 16, 144, 15 C 16, 24, 15 16. 144:8 20. The values of A, B and C, respectively, are: A 8; 144; 15 B 16; 144; 15 C 16,24; 15 D 16; 144; 8 21. The values of Ex2, Eyand Ey, respectively, are: A 115, 209, 182 B 125, 290, 182 C 115; 290; 182 D 115; 290; 128