Solved: A taxi company tests a random sample of 10
Chapter 9, Problem 8.62(choose chapter or problem)
A taxi company tests a random sample of 10 steel-belted radial tires of a certain brand and records the following tread wear: 48,000, 53,000, 45,000, 61,000, 59,000, 56,000, 63,000, 49,000, 53,000, and 54,000 kilometers. Use the results of Exercise 8.14 on page 231 to nd the standard deviation of this set of data by rst dividing each observation by 1000 and then subtracting 55.
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