Given the estimated model above, for every additional cigarette smoked while pregnant, the associated change in birth weight is
Given the estimated model above, for every additional cigarette smoked while pregnant, the associated change in birth weight is
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Related questions
Question

Transcribed Image Text:For questions 15-20, use the following regression output obtained by regressing
birth weight (the y variable called birthwt) on the number of cigarettes smoked
by women while pregnant (the x variable called cigs):
SUMMARY OUTPUT
Regression Stotistics
Multiple R
0.151
R Square
0.023
Adjusted R Square
0.022
Standard Error
20.129
Observations
1,388
Coefficients Standard Error tStat P-value Lower 95% Upper 95%
Intercept (bo)
119.77
0.57
209.27
0.003
118.65
120.89
cigs (b;)
0.09 -5.68
-0.34
-0.51
0.001
-0.69
Given the estimated model above, for every additional cigarette smoked while
pregnant, the associated change in birth weight is
O 119.77 ounces
0.57 ounces
-5.68 ounces
O -0.51 ounces

Transcribed Image Text:For questions 15-20, use the following regression output obtained by regressing
birth weight (the y variable called birthwt) on the number of cigarettes smoked
by women while pregnant (the x variable called cigs):
SUMMARY OUTPUT
Regression Statistics
Multiple R
0.151
R Square
0.023
Adjusted R Square
0.022
Standard Error
20.129
Observations
1,388
Coefficients Standard Error
t Stat
P-value
Lower 95%
Upper 95%
Intercept (bo)
119.77
0.57
209.27
0.003
118.65
120.89
cigs (b;)
-0.51
0.09
-5.68
0.001
-0.69
-0.34
Using the above regression output, if the SSR (sum of squares due to the
regression) is 13,060.42, what is the SST (total sum of squares)?
567,844.35
367,944.25
537,245.22
O 25,256.32
Expert Solution

This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
This is a popular solution!
Trending now
This is a popular solution!
Step by step
Solved in 3 steps

Recommended textbooks for you

MATLAB: An Introduction with Applications
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc

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
ISBN:
9781305504912
Author:
Frederick J Gravetter, Larry B. Wallnau
Publisher:
Cengage Learning

MATLAB: An Introduction with Applications
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc

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
ISBN:
9781305504912
Author:
Frederick J Gravetter, Larry B. Wallnau
Publisher:
Cengage Learning

Elementary Statistics: Picturing the World (7th E…
Statistics
ISBN:
9780134683416
Author:
Ron Larson, Betsy Farber
Publisher:
PEARSON

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
Statistics
ISBN:
9781319013387
Author:
David S. Moore, George P. McCabe, Bruce A. Craig
Publisher:
W. H. Freeman