Question: a. What is the variance? b. What are the measurement units of the variance? c. Which is the more easily interpreted variability measure, the standard

a. What is the variance?

b. What are the measurement units of the variance?
c. Which is the more easily interpreted variability measure, the standard deviation or the variance? Why?
d. Once you know the standard deviation, does the variance provide any additional real information about the variability?

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