SOLUTION: Find the range and sample variance of the following set of numbers. 12 13 45 45 45 12 12 10 10 13 15

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Question 1122978: Find the range and sample variance of the following set of numbers.
12 13 45 45 45 12 12 10 10 13 15
Answer by Boreal(15235) About Me  (Show Source):
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range is 35 (45-10)
variance of sample is 237.690 using mean of 21.09