Suppose a random sample of 60 measurements is selected from a population with a mean of 25 and a variance of 200. Select the pair that is the mean and standard error of x. a) [25, 1.825] b) [25, 1.925] c) [60, 2.325] d) [25, 2.225] e) [25, 2.325] f) None of the above rinrl'lIlnn G