Question

Find the Karl Pearson’s coefficient of correlation between them in the following

cases.(Sd=standard deviation)


a. If the covariance between X and Y variables is 12.3 and variances of X and Y are respectively 13.8 and 16.4.


b. Cov. (X,Y) = 488, Sdx = 28.7, Sdy = 18.02, N = 10 ​

Answer 1

Answer:

b ) unlikely correct answer for the question is well.