Answer to Question #138846 in Statistics and Probability for Jeanina Muñoz

Question #138846
Why standard deviation is the better measure of variability?
1
Expert's answer
2020-10-18T17:53:56-0400

Standard deviation is a better measure of variability especially when distribution is normal or approximately normal because the proportion of distribution within a given number of deviation from the mean can be calculated. It gives an idea of how much every element of a population varies from the average, unlike the range which only tells the maximum variance.


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