Problem 1. \"'e have a small data set with 3 samples. id x Y [1] 23.1 22. [2] 23.2 23. [3] 23.3 27. [4] 23.3 27. [3] 2?.1 27. [6] 48.3 46. [7140.5 40. [8] 23.0 24. mmhmhhml a. Calculate the sample mean of X and Y. b. Calculate the sample variance of X and Y. :2. Calculate the sample covariance and sample correlation of X and Y. d. Suppose we transform the data to u,- = l.25+1.123:1- and v.- = 2+l].75y,-, compute Sf Sf and Try