Rico used the Internet to survey the per quart of synthetic motor oil for his high-performance go-cart. The sample data, (converted in pesos per quart, are summarized in the following table. Price/quart, Pesos (x) Number of Websites 372.20 1 399.50 3 424.50 6 449.50 7 474.50 2 499.50 1   What is the standard deviation?   A. 20.00   B. 30.03   C. 26.71   D. 47.39

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Q: SE Mean

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