Suppose the Federal Aviation Administration would like to compare the
Suppose the Federal Aviation Administration 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:
a. Using α = 0.05, perform a chisquare test to determine if on time performance and airline are independent of one another.
b. What conclusions can be made based on your results?
c. Determine the pvalue using Excel and interpret its meaning.
d. Verify your results using pvalue.
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