3. You were recently hired to consult on a software development project. In the data collection stage, you collect the following data as a function of thousands of lines of code (KLOC). KLOC 7 13 56 100 115 220 Staff-Months 80 106 581 682 854 939 a. Use linear regression to estimate the number of Staff-Months required to develop 70 KLOC. Write a short paragraph that describes your regression results. b. Develop an appropriate figure of your regression model to provide to your team.