3. Develop a linear regression equation to predict future demand from the following data: Demand 23 24 31 28 29 Year 2008 2009 2010 2011 2012 a. . Write the regression equation. b. Predict demand for 2015. c. Name the independent variable. d. Name the dependent variable Year 2008 2009 2010 2011 2012 2013 2014 2015 Period (x) 1 2 3 4 5 Demand (y) 23 1 24 4 9 28 16 29 25 sum of x2=55 31 23 96 279 448 725 8 Y= a + bx 3. Develop a linear regression equation to predict future demand from the following data: Demand 23 24 31 28 29 Year 2008 2009 2010 2011 2012 a. . Write the regression equation. b. Predict demand for 2015. c. Name the independent variable. d. Name the dependent variable Year 2008 2009 2010 2011 2012 2013 2014 2015 Period (x) 1 2 3 4 5 Demand (y) 23 1 24 4 9 28 16 29 25 sum of x2=55 31 23 96 279 448 725 8 Y= a + bx