6a

You are a business analyst for Northrop Grumman and are using the following data and regression to analyze the relationship between production volume of a radio part and total production cost. Your research question is: "How does production volume affect total cost?" Production Volume (units) Total Cost ($) 100 1727 200 2682 300 3719 400 4623 500 5595 600 6286 700 7571 800 8291 900 9153 What is the estimated error term ("the residual") associated with production of 500 radio units? (Do not round the slope and intercept when making this calculation! Round to the nearest whole number.)