6. Evaluate in which of the below cases, you can say that the presented results are compatible and explain why: a) Cov(x, y) = 25.33 and p = -0.37 b) s2 (x) = 1,000 n = 50 En, xi = 5,000 and CV(x) = 0.316 C) 80 - 70 80a 60 Female Life Expectancy 1975 50 40 30 - 0 1000 2000 3000 Doctors per Million Pop 1975 and p = 0.775