ECO220Y1 Study Guide - Midterm Guide: Confidence Interval, Analysis Of Variance, Standard Deviation
27
ECO220Y1 Full Course Notes
Verified Note
27 documents
Document Summary
Notes: this test consists of 22 questions in 10 pages including this cover page. Calculator and one aid sheet (two 8. 5 x11 pages) prepared by student. It is the student"s responsibility to hand in all pages of this test. Any missing page will get zero mark: statistical tables are provided separately. L01 tuesday: show your work in each question in part ii, this test is worth 30% of your course grade. Do not write on the space below, for markers only. If there are more than one correct answer, circle the best one. A random sample of 12 observations is selected to estimate a simple regression relationship of y depending on x. Which one of the following statements is true? (a) (b) (c) About 64% of the variation on y can be explained by x. The correlation between x and y is close to. About 80% of the variation on y can be explained by x.
