Q This assignment supports the following Unit Objectives: • (U16) Discuss proper scientific graphing techniques (CLO4) • (U17) Discuss the reasons for graphing data (CLO4) • (U18) Discuss sources and reasons for error (CLO4) • (U19) Define and explain the term "graph" (CLO2) • (U22) Distinguish between dependent and independent variables. (CLO2) • (U23) Define slope, determine the slope of a straight line (CLO2) • (UDS) Develop a well thought out and correct response to various discussion questions (CLO2)(CLO4)(Goal 4) Please submit your answers to the discussion questions below. Respond to at least one classmate's post. 1. Why is it important to use a professional graphing program such as Microsoft Excel instead of hand drawing your figures? 2. What is the advantage of a figure in comparison to a data table? 3. What is the meaning of an R2 value on a graph? What is a good value for R2? 4. Pi is often estimated as 3.14, but another common estimation is 22/7. Which of these is more accurate? Find the % error to draw your conclusion.