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Variance

You have found the following ages (in years) of 66 lions. The lions are randomly selected from the 2222 lions at your local zoo:
13,2,1,5,2,7\qquad13,\enspace 2,\enspace 1,\enspace 5,\enspace 2,\enspace 7
Based on your sample, what is the average age of the lions? What is the estimated variance of the ages?
You may round your answers to the nearest tenth.
Average age:
years old
Variance:
years2^2