ECON 203 1st Edition Lecture 18Outline of Last LectureI. Simple Linear Regression and Correlation1. IntroA. Page 89, slide 32. Regression Analysis3. Comparing the two lines on the regression graphA. Line 1: Upward SlopingB. Line 2: HorizontalC. Smaller SumD. Page 90 slide 6Outline of Current LectureI. Exam Feedback1. Exam Score2. Independent VariablesII. Armani’s Pizza ExampleCurrent LectureI. Exam Feedback- If the econ exam score is turned into a regression problem, then…1. Exam score = the dependent variable Y2. Independent Variables - X:- Online videos- Number of past exams studied- Time using aplia review- Time focused on past exam answer solutions- Homework grades- Attending review sessions- Coming to class- TA session attendance- Office Hour attendanceII. Armani’s Pizza example pg. 93These notes represent a detailed interpretation of the professor’s lecture. GradeBuddy is best used as a supplement to your own notes, not as a substitute.- B1 = 10.894- B2= -23.49- Our estimate of the relationship between x and y is better if it’s compared to a horizontal line 2 (from lecture
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