The following table gives the percentage of on-time arrivals in airports in a certain country from 2004 through 2013. 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 Year On-time Arrivals (%) 76.03 74.25 77.01 70.23 70.45 79.59 76.65 75.36 84.83 80.23 Find the average percentage of on-time arrivals over the 10 years from 2004 through 2013. What is the standard deviation for these data? (Round your answer to two decimal places.)
The following table gives the percentage of on-time arrivals in airports in a certain country from 2004 through 2013. 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 Year On-time Arrivals (%) 76.03 74.25 77.01 70.23 70.45 79.59 76.65 75.36 84.83 80.23 Find the average percentage of on-time arrivals over the 10 years from 2004 through 2013. What is the standard deviation for these data? (Round your answer to two decimal places.)
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 1GP
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![The following table gives the percentage of on-time arrivals in airports in a certain country from 2004 through 2013.
Year
2005
2006
2007 2008 2009 2010 2011 2012 2013.
On-time
Arrivals (%) 76.03 74.25 77.01
70.23 70.45 79.59 76.65
75.36 84.83 80.23
Find the average percentage of on-time arrivals over the 10 years from 2004 through 2013.
2004
What is the standard deviation for these data? (Round your answer to two decimal places.)
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Transcribed Image Text:The following table gives the percentage of on-time arrivals in airports in a certain country from 2004 through 2013.
Year
2005
2006
2007 2008 2009 2010 2011 2012 2013.
On-time
Arrivals (%) 76.03 74.25 77.01
70.23 70.45 79.59 76.65
75.36 84.83 80.23
Find the average percentage of on-time arrivals over the 10 years from 2004 through 2013.
2004
What is the standard deviation for these data? (Round your answer to two decimal places.)
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