Mathematics, 02.09.2021 14:00 samoanlgnd

The management of a large airline wants to estimate the average time after takeoff taken before the crew begins serving snacks and beverages on their flights. Assuming that management has easy access to all of the information that would be required to select flights by each proposed method, which of the following would be reasonable methods of stratified sampling? Select all that apply

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The management of a large airline wants to estimate the average time after takeoff taken before the...