(1) (20pts) Consider the following data set about US-Unemployment % of the labor force (source: International...

 

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(1) (20pts) Consider the following data set about US-Unemployment % of the labor force (source: International Monetary Fund, World Economic Outlook Database, October 2021) Year 2000 2002 2003 2007 2008 US-unemployment 3,967 5,783 5,992 4,617 5,8 (a) (20pts) Find the interpolant for the data set. (b) (20pts) Using least squares adjust a cubic model. (c) (5pts) Using the interpolant and the quadratic model estimate the US-GPD- per- centage change for 2009 (2) Consider the following data set about US-GPD-dollars current prices in billions (source: International Monetary Fund, World Economic Outlook Database, October 2021) Year 2010 2011 2013 2015 GDP-dollars 15.048,98 15.599,73 16.843,23 18.206,03 (a) (20pts) Using method of least squares, find the linear model that best adjust to the given US-GDP-dollars data set. (b) (5pts) Using the linear model from (a), estimate the US-GDP-dollars for 2019. Is it ok to use it to predict the year 2020? Why? (1) (20pts) Consider the following data set about US-Unemployment % of the labor force (source: International Monetary Fund, World Economic Outlook Database, October 2021) Year 2000 2002 2003 2007 2008 US-unemployment 3,967 5,783 5,992 4,617 5,8 (a) (20pts) Find the interpolant for the data set. (b) (20pts) Using least squares adjust a cubic model. (c) (5pts) Using the interpolant and the quadratic model estimate the US-GPD- per- centage change for 2009 (2) Consider the following data set about US-GPD-dollars current prices in billions (source: International Monetary Fund, World Economic Outlook Database, October 2021) Year 2010 2011 2013 2015 GDP-dollars 15.048,98 15.599,73 16.843,23 18.206,03 (a) (20pts) Using method of least squares, find the linear model that best adjust to the given US-GDP-dollars data set. (b) (5pts) Using the linear model from (a), estimate the US-GDP-dollars for 2019. Is it ok to use it to predict the year 2020? Why?

Answer rating: 100% (QA)

1 a The interpolant for the given data set is USunemployment 3967 5783 3967 2003 2000 2002 2000 3967 ... View the full answer