The Bureau of Transportation Statistics conducts a quarterly survey to monitor domestic and international airfares. Here are the average airfares (inflation-adjusted to 2018 dollars) for U.S. domestic flights for 2004 through 2018. Airfare Year Airfare Year Year 2004 $402.26 2009 $359.91 2014 2005 $391.50 2010 $383.48 2015 $395.70 2006 $405.48 2011 $402.45 2016 $361.94 2007 $390.30 2012 $406.13 2017 $352.85 2008 $400.27 2013 $407.99 2018 $346.49 Airfare $411.67 Hand calculate forecasts for the time series using an exponential smoothing model with the smoothing constant w = 0.2. Provide a forecast for the average U.S. domestic airfare for 2019. (Use decimal notation. Give your answer to two decimal places.)
The Bureau of Transportation Statistics conducts a quarterly survey to monitor domestic and international airfares. Here are the average airfares (inflation-adjusted to 2018 dollars) for U.S. domestic flights for 2004 through 2018. Airfare Year Airfare Year Year 2004 $402.26 2009 $359.91 2014 2005 $391.50 2010 $383.48 2015 $395.70 2006 $405.48 2011 $402.45 2016 $361.94 2007 $390.30 2012 $406.13 2017 $352.85 2008 $400.27 2013 $407.99 2018 $346.49 Airfare $411.67 Hand calculate forecasts for the time series using an exponential smoothing model with the smoothing constant w = 0.2. Provide a forecast for the average U.S. domestic airfare for 2019. (Use decimal notation. Give your answer to two decimal places.)
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.2: Representing Data
Problem 22PFA
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