Ba 578 Guides d'étude, Notes de cours & Résumés

True / False Questions 1. A uniform distribution f(x) is a continuous probability distribution which says the probability that x is in any 2 intervals of equal length is the same. TRUE AACSB: Reflective thinking skills Difficulty: Medium 2. The mean and median are the same for a normal distribution. TRUE AACSB: Reflective thinking skills Difficulty: Easy 3. The mean and median are the same for an exponential distribution. FALSE AACSB: Reflective thinking skil...

BA 578 FINAL EXAM 2 Part A: Multiple Choice (1–11) Using the “eyeball” method, the regression line y ̂ = 2 2x has been fitted to the data points (x = 2, y = 1), (x = 3, y = 8), and (x = 4, y = 7). The sum of the squared residuals will be 7 b. 19 c. 34 d. 8 A computer statistical package has included the following quantities in its output: SST = 50, SSR = 35, and SSE = 15. How much of the variation in y is explained by the regression equation? 49% ...

______1. Using the “eyeball” method, the regression line ̂ = 2 2x has been fitted to the data points (x = 2, y = 1), (x = 3, y = 8), and (x = 4, y = 7). The sum of the squared residuals will be a. 7 b. 19 c. 34 d. 8 ______2. A computer statistical package has included the following quantities in its output: SST = 50, SSR = 35, and SSE = 15. How much of the variation in y is explained by the regression equation? a. 49% b. 70% c. 35% d. 15% ______3. In testing the significance of b, the nul...