A professor wants to investigate the relationship between the grades students obtain in their midterm exam (X) and the grades they obtain (Y) in the final exam The professor collects data from 60 randomly chosen students. The estimated OLS regression is: 9=45+0.85X where Y, denotes the predicted value of the grades obtained in the final exam by the " individual and X, denotes the grades obtained in the midterm exam From the sample data he makes the following calculations 60 (x -X)* -230 48 =1 60 = 410.25, %3D1 where u, is the square of the residual for the " observation. He wants to test whether the grades obtained in the midterm exam have any effect on the grades obtained in the final exam or not Which of the following are the null and the alternative hypotheses of the test the professor wishes to conduct? OA. Ho B1=0 vs. H B, #0. OB. Ho B=0 85 vs. H, B, 0.85 OC. H. B. #0 vs. H B = 0 Click to select your answer(s).

Essentials Of Investments
11th Edition
ISBN:9781260013924
Author:Bodie, Zvi, Kane, Alex, MARCUS, Alan J.
Publisher:Bodie, Zvi, Kane, Alex, MARCUS, Alan J.
Chapter1: Investments: Background And Issues
Section: Chapter Questions
Problem 1PS
icon
Related questions
Question
In the finai exam by tne * indiviauai and x, denotes ine grades obtained in the miaterm exam.
From the sample data he makes the following calculations:
60
(X-X² = 230.48,
60
3D410.25,
j= 1
^2
where u, is the square of the residual for the " observation.
He wants to test whether the grades obtained in the midterm exam have any effect on the grades obtained in the final exam or not.
Which of the following are the null and the alternative hypotheses of the test the professor wishes to conduct?
O A. Ho B1 D0 vs. H, B1 0.
%3D
O B. Ho B, = 0.85 vs. H,: B,±0.85.
OC. Ho B1#0 vs. H, B1 = 0.
D. Ho B,0.85 vs. H, B, = 0.85.
If B, is the estimated slope coefficient, then the value of standard error of the estimated slope (SE (B,)) is
(Round your answer to four decimal places.)
Click to select your answer(s).
W
DELL
Type here to search
Transcribed Image Text:In the finai exam by tne * indiviauai and x, denotes ine grades obtained in the miaterm exam. From the sample data he makes the following calculations: 60 (X-X² = 230.48, 60 3D410.25, j= 1 ^2 where u, is the square of the residual for the " observation. He wants to test whether the grades obtained in the midterm exam have any effect on the grades obtained in the final exam or not. Which of the following are the null and the alternative hypotheses of the test the professor wishes to conduct? O A. Ho B1 D0 vs. H, B1 0. %3D O B. Ho B, = 0.85 vs. H,: B,±0.85. OC. Ho B1#0 vs. H, B1 = 0. D. Ho B,0.85 vs. H, B, = 0.85. If B, is the estimated slope coefficient, then the value of standard error of the estimated slope (SE (B,)) is (Round your answer to four decimal places.) Click to select your answer(s). W DELL Type here to search
A professor wants to investigate the relationship between the grades students obtain in their midterm exam (X) and the grades they obtain (Y) in the final exam.
The professor collects data from 60 randomly chosen students. The estimated OLS regression is
Ý = 45 +0.85X,
where Y, denotes the predicted value of the grades obtained in the final exam by the " individual and X, denotes the grades obtained in the midterm exam.
From the sample data he makes the following calculations:
60
3230 48,
j= 1
60
3D1
^2
where u, is the square of the residual for the " observation.
He wants to test whether the grades obtained in the midterm exam have any effect on the grades obtained in the final exam or not.
Which of the following are the null and the alternative hypotheses of the test the professor wishes to conduct?
OA. Ho B1=0 vs. H B1 #0.
Ho: B1=0 vs. H B, #0.
O B. Ho B=D0.85 vs. H, B,#0.85.
C. Ho BA #0 vs. HA B.=0.
Click to select your answer(s).
DAL
Type here to search
II
Transcribed Image Text:A professor wants to investigate the relationship between the grades students obtain in their midterm exam (X) and the grades they obtain (Y) in the final exam. The professor collects data from 60 randomly chosen students. The estimated OLS regression is Ý = 45 +0.85X, where Y, denotes the predicted value of the grades obtained in the final exam by the " individual and X, denotes the grades obtained in the midterm exam. From the sample data he makes the following calculations: 60 3230 48, j= 1 60 3D1 ^2 where u, is the square of the residual for the " observation. He wants to test whether the grades obtained in the midterm exam have any effect on the grades obtained in the final exam or not. Which of the following are the null and the alternative hypotheses of the test the professor wishes to conduct? OA. Ho B1=0 vs. H B1 #0. Ho: B1=0 vs. H B, #0. O B. Ho B=D0.85 vs. H, B,#0.85. C. Ho BA #0 vs. HA B.=0. Click to select your answer(s). DAL Type here to search II
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 4 steps with 1 images

Blurred answer
Knowledge Booster
Audit Sampling
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, finance and related others by exploring similar questions and additional content below.
Similar questions
Recommended textbooks for you
Essentials Of Investments
Essentials Of Investments
Finance
ISBN:
9781260013924
Author:
Bodie, Zvi, Kane, Alex, MARCUS, Alan J.
Publisher:
Mcgraw-hill Education,
FUNDAMENTALS OF CORPORATE FINANCE
FUNDAMENTALS OF CORPORATE FINANCE
Finance
ISBN:
9781260013962
Author:
BREALEY
Publisher:
RENT MCG
Financial Management: Theory & Practice
Financial Management: Theory & Practice
Finance
ISBN:
9781337909730
Author:
Brigham
Publisher:
Cengage
Foundations Of Finance
Foundations Of Finance
Finance
ISBN:
9780134897264
Author:
KEOWN, Arthur J., Martin, John D., PETTY, J. William
Publisher:
Pearson,
Fundamentals of Financial Management (MindTap Cou…
Fundamentals of Financial Management (MindTap Cou…
Finance
ISBN:
9781337395250
Author:
Eugene F. Brigham, Joel F. Houston
Publisher:
Cengage Learning
Corporate Finance (The Mcgraw-hill/Irwin Series i…
Corporate Finance (The Mcgraw-hill/Irwin Series i…
Finance
ISBN:
9780077861759
Author:
Stephen A. Ross Franco Modigliani Professor of Financial Economics Professor, Randolph W Westerfield Robert R. Dockson Deans Chair in Bus. Admin., Jeffrey Jaffe, Bradford D Jordan Professor
Publisher:
McGraw-Hill Education