Instructor Chain L Course: EC0 4000 Spring 201 Assignment FlPa the effect of ime pressure on final exam soores He gives each of the 400 ane fnal exam but some stuterts have 90 minules to complete...
Instructor Chain L Course: EC0 4000 Spring 201 Assignment FlPa the effect of ime pressure on final exam soores He gives each of the 400 ane fnal exam but some stuterts have 90 minules to complete the others ave 120 the number of 200, and consider mo regresuon model exwn (X'-90 or of the kutowing are tve about the unobservable u,? (Check ai hat apply etudents w necessarily have the same value of u, because they are part of the same population □ n. Different students wil have anorent specific traits that affect exam performance C. urepresents factors other than t C D. 4 wil be zero for all students because time spent studying is values of u, because they have unobserved idividual time that infuence the students performance on the exam exam pertormance The Least Squares Assumptions 1. The error term u, has conditional mean zero given X, E (ux)- 2. (Х,, Y) . i. 1, . n, are independent and ident any distributed (id) draws from their oint distribution and 3. Large others are unlikely: Х, and y, have nonzero firite fourth moments. Assuming this year's class is a typical representation of the same class in other years, are OLS assumption Only OLS assumption #2 is satisf ed. Only OLS assumption #3 satisfied A. O B. O c. Neither OLS assumption #2 nor OLS assumption #3 s satisfed Both OLS assumption #2 and OLS assumption #3 are satisfied D. he estimated regression is 45 +0 55x, the estimated regression's prediction for the average score of students given 91, 128 or 155 minutes to complete the ompute am. ven 91 minutes, the estimated regression's prediction for the average score of students is en 128 minutes, the estimated regression's prediction for the average score of students is en 155 minutes, the estimated regression's prediction for the average score of students is Round your responses to two decimal places) pute the estimated gain in score for a student who is given an additional 32 minutes on the exam. The estimated gain in score for a student who is given an additional 32 minutes on the exam is Round your response to two decimal places )
Instructor Chain L Course: EC0 4000 Spring 201 Assignment FlPa the effect of ime pressure on final exam soores He gives each of the 400 ane fnal exam but some stuterts have 90 minules to complete the others ave 120 the number of 200, and consider mo regresuon model exwn (X'-90 or of the kutowing are tve about the unobservable u,? (Check ai hat apply etudents w necessarily have the same value of u, because they are part of the same population □ n. Different students wil have anorent specific traits that affect exam performance C. urepresents factors other than t C D. 4 wil be zero for all students because time spent studying is values of u, because they have unobserved idividual time that infuence the students performance on the exam exam pertormance The Least Squares Assumptions 1. The error term u, has conditional mean zero given X, E (ux)- 2. (Х,, Y) . i. 1, . n, are independent and ident any distributed (id) draws from their oint distribution and 3. Large others are unlikely: Х, and y, have nonzero firite fourth moments. Assuming this year's class is a typical representation of the same class in other years, are OLS assumption Only OLS assumption #2 is satisf ed. Only OLS assumption #3 satisfied A. O B. O c. Neither OLS assumption #2 nor OLS assumption #3 s satisfed Both OLS assumption #2 and OLS assumption #3 are satisfied D. he estimated regression is 45 +0 55x, the estimated regression's prediction for the average score of students given 91, 128 or 155 minutes to complete the ompute am. ven 91 minutes, the estimated regression's prediction for the average score of students is en 128 minutes, the estimated regression's prediction for the average score of students is en 155 minutes, the estimated regression's prediction for the average score of students is Round your responses to two decimal places) pute the estimated gain in score for a student who is given an additional 32 minutes on the exam. The estimated gain in score for a student who is given an additional 32 minutes on the exam is Round your response to two decimal places )