Question: 19 What is the difference between standard deviation and the square root of the average of squared deviations from the mean? O The difference is

19 What is the difference between standard deviation and the square root of the average of squared deviations from the mean? O The difference is unsystematic risk The difference is diversification There is no difference, variance is the average of squared deviation from the mean O There is no difference, standard deviation is the square root of variance, which is the average of squared deviations from the mean 2 pts Question 20 2 pts

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