Homework Help is Here – Start Your Trial Now!
Math
Statistics
Suppose that a researcher, using dgta on class size (CS) and average test scores from 100 third-grade classes, estimates the OLS regression: TestScore = 520.4 5.82 x CS, R = 0.08, SER 11.5.

Suppose that a researcher, using dgta on class size (CS) and average test scores from 100 third-grade classes, estimates the OLS regression: TestScore = 520.4 5.82 x CS, R = 0.08, SER 11.5.

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
See similar textbooks
icon
Related questions
Question

5.

 

Question 6 ( Suppose that a researcher, using dgta on class size (CS) and average test scores from 100 third-grade classes, estimates the OLS regression: TestScore = 520.4 - 5.82 x CS, R = 0.08, SER = 11.5. a. The sample average class size across the 100 classrooms is 21.4. What is the sample average of the test scores across the 100 classrooms? b. What is the sample standard deviation of test scores across the 100 classrooms?
Transcribed Image Text:Question 6 ( Suppose that a researcher, using dgta on class size (CS) and average test scores from 100 third-grade classes, estimates the OLS regression: TestScore = 520.4 - 5.82 x CS, R = 0.08, SER = 11.5. a. The sample average class size across the 100 classrooms is 21.4. What is the sample average of the test scores across the 100 classrooms? b. What is the sample standard deviation of test scores across the 100 classrooms?
Expert Solution
steps

Step by step

Solved in 3 steps

SEE SOLUTIONCheck out a sample Q&A here
Blurred answer
Recommended textbooks for you
MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc
Probability and Statistics for Engineering and th…
Probability and Statistics for Engineering and th…
Statistics
ISBN:
9781305251809
Author:
Jay L. Devore
Publisher:
Cengage Learning
Statistics for The Behavioral Sciences (MindTap C…
Statistics for The Behavioral Sciences (MindTap C…
Statistics
ISBN:
9781305504912
Author:
Frederick J Gravetter, Larry B. Wallnau
Publisher:
Cengage Learning
Elementary Statistics: Picturing the World (7th E…
Elementary Statistics: Picturing the World (7th E…
Statistics
ISBN:
9780134683416
Author:
Ron Larson, Betsy Farber
Publisher:
PEARSON
The Basic Practice of Statistics
The Basic Practice of Statistics
Statistics
ISBN:
9781319042578
Author:
David S. Moore, William I. Notz, Michael A. Fligner
Publisher:
W. H. Freeman
Introduction to the Practice of Statistics
Introduction to the Practice of Statistics
Statistics
ISBN:
9781319013387
Author:
David S. Moore, George P. McCabe, Bruce A. Craig
Publisher:
W. H. Freeman
SEE MORE TEXTBOOKS