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Suppose the Federal Aviation Administration (FAA) would like to compare the on-time performances of different airlines on domestic, nonstop flights. The following table shows three

Suppose the Federal Aviation Administration (FAA) would like to compare the on-time performances of different airlines on domestic, nonstop flights. The following table shows three different airlines and the frequency of flights that arrived early, on-time, and late for each. Identify the correct conclusion using the 0.1 level of significance.

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Cross Tabulation of Airline vs. Status Early On-time Late Delta 58 35 35 US Airways CO 31 21 Southwest 13 11 22 Pearson Chi-square = 24.526 OF = 4 P-value = 0.0001

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