# Question

One measure of airline performance is on-time arrival rates. For May 2009 the on-time arrival rates of domestic flights for the 19 largest U.S. airlines were as follows:

a. Find the range and the standard deviation for the on-time arrival rates.

b. Describe the relationship among the distribution of the data, the range, and the standard deviation.

a. Find the range and the standard deviation for the on-time arrival rates.

b. Describe the relationship among the distribution of the data, the range, and the standard deviation.

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