Maurice Tutor

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Category > Management Posted 11 Oct 2017 My Price 6.00

Bureau of Transportation Statistics

Departures. What are the chances your flight will leave on time? The U.S. Bureau of Transportation Statistics of the Department of Transportation publishes information about airline performance. Here are a histogram and summary statistics for the percentage of flights departing on time each month from 1995 thru 2006.

There is no evidence of a trend over time. (The correlation of On Time Departure% with time is r = -0.016.)

a) Check the assumptions and conditions for inference.

b) Find a 90% confidence interval for the true percentage of flights that depart on time.

c) Interpret this interval for a traveler planning to fly.

Answers

Maurice Tutor
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Status NEW Posted 11 Oct 2017 12:10 PM My Price 6.00

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