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A random sample of 12 joggers was asked to keep track and report the number of miles they ran last week. The responses are 5.5, 7.2, 1.6, 22.0, 8.7, 2.8, 5.3, 3.4, 12.5, 18.6, 8.3, 6.6.

a. Compute the three statistics that measure central location.

b. Briefly describe what each statistic tells you.

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