Genetic Correlation: You are interested in doing a research study to determine if there is any genetic correlation between the length of the tails of fathers and sons in birds.

Calculate the mean of fathers and sons, variance and standard deviation of fathers and sons, the co-variance value of data set, and calculate correlation coefficient of the data set, what's the heritability of this trait? is it genetic or environmental, and why?

fathers	sons
52	48
68	72
48	53
62	60
51	49
53	40
60	68
71	68
68	68
57	55