The following table shows a company's annual revenue (in billions of dollars) for 2009 to 2014. Period (t) Revenue ($ billions) 2009 1 23.6 2010 29.3 2011 3 37.9 2012 4 50.2 2013 59.9 2014 66.7 VUND (a) Construct a time series plot. 80 80 80 80 70 70 70 70 60 60 50 60 60 50 50 40 30 40 40 40 30 30 30 20 20 20 10 10 10 10 1 2 3 4 6 1 3 1 3. 1 3 4 Period Period Period Period What type of pattern exists in the data? O The time series plot shows a downward linear trend. O The time series plot shows an upward linear trend. O The time series plot shows an upward curvilinear trend. O The time series plot shows a downward curvilinear trend. (b) Develop a linear trend equation for this time series to forecast revenue (in billions of dollars). (Round your numerical values to three decimal places.) (e) What is the average revenue increase per year (in billions of dollars) that this company has been realizing? (Round your answer to three decimal places.) billion (d) Compute an estimate of this company's revenue (in billions of dollars) for 2015. (Round your answer to two decimal places.) billion

An annual marathon covers a route that has a distance of approximately 26 miles. Winning times for this marathon are all over 2 hours. The following data are the minutes over 2 hours for the winning male runners over two periods of 20 years each. Earlier Period 7 20 17 22 17 12 15 18 16 13 13 23 19 10 7 10 12 14 16 23 Recent Period 8. 9 8 7 7 7 9. 8 9. 8 7 9. 8. 14 9. 10 10 14 11 (a) Make a stem-and-leaf display for the minutes over 2 hours of the winning times for the earlier period. Use two lines per stem. (Use the tens digit as the stem and the ones digit as the leaf. Enter NONE in any unused answer blanks. For more details, view How to Split a Stem.) Minutes Beyond 2 Hours Earlier Period (b) Make a stem-and-leaf display for the minutes over 2 hours of the winning times for the recent period. Use two lines per stem. (Use the tens digit as the stem and the ones digit as the leaf. Enter NONE in any unused answer blanks.) Minutes Beyond 2 Hours Recent Period (c) Compare the two…

Based on the following graph, what is the year when the largest decrease in GDP took place ? GDP (change YoY) 6% 5% 4% 4% 3% 3% 3% 3% 2% 2% 1% -1% -1% -8% 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010o 2011 2012 2013 2009 2001 2005 2007