Calculating Ex-Post Covariance An analyst obtains 23 annual return observations for Stock 1 and Stock 2. The analyst finds that the sum of the squared deviations from the mean for Stock 1 and Stock 2 are 1.9732 and 1.4524 respectively. The sum of the product of the deviations from the mean for Stock 1 and Stock 2 is 1.8397. The covariance between the stocks is Multiple Choice 0.0657 0.0868 O O 0.1128 0.0836 O