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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 Question 11 of 24 (1 point) Attempt 1 of 1 15m 37s Remaining 7.2 Section E Indy 500 Qualifier Speeds The speeds in miles per hour of six randomly selected qualifiers for the Indianapolis 500 (in 2012) are listed below. Estimate the mean qualifying speed with 90% confidence. Round your answers to at least four decimal places. 226.240 226.484 225.172 222.929 226.240 223.684 Send data to Excel

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