Question 24 • Algebra II
First find the mean: (245 + 300 + 325 + 465 + 100) / 5 = 287 dollars. The squared deviations from the mean add to 70,030. Since this is a sample, divide by n − 1 = 4: s² = 70,030 / 4 = 17,507.5. The variance is 17,507.5, choice A.
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