Use regression to estimate the fixed and variable costs for the data below Month # scans Utilities cost $ Jan 60 2,200 Feb 70 2,600 March 90 2,900 April 120 3,300 May 100 3,000 June 130 3,600 July 150 4,000 August 140 3,600 Sept 110 3,100 Oct 80 2,500 Required (each section is worth 2 points) 1 Estimate fixed costs using regression 2 Estimate variable costs using regression 3 What is the predicted cost for 135 scans 4 How much confidence would you have in the prediction for 135 scans? Use your biostats! 5 How much confidence would you have in the prediction for 235 scans?