Math calculus

(1) Write down the names of the people in your group. (2) (Note: We'll start the class meeting with a demonstration of least squares regression in Google Sheets. I will also add written instructions and a video in Blackboard.) The following table gives the public debt in the US as estimated by the Congressional Budget Office. Year Public debt (trillions of dollars) 2011 6.012 2012 5.955 2013 5.884 2014 5.784 2015 5.658 (a) Use a graphing calculator or spreadsheet to make a scatter plot of this data. (b) Find an equation of the least squares regression line and graph it with your data. (c) Use the regression line model to predict the public debt in 2018. (3) A company charges the following shipping fees for its internet orders. For orders up to