The International Air Transport Association surveys business travelers to develop quality ratings for transatlantic gateway airports. The maximum possible rating is 10. Suppose a simple random sample of 50 business travelers is selected and each traveler is asked to provide a rating for the Miami International Airport. The ratings obtained from the sample of 50 business travelers follow. 2 6 7 8 9 9 9 10 10 10 10 9 4 5 6 6 8 7 9 10 9 6 5 7 6 8 4 2 10 9 9 10 10 9 8 7 5 9 9 3 6 2 9 7 10 7 9 9 9 9

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Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.