4. Why is it better to omit a predictor from a model that might have a small effect (small slope)on the response, instead of including a variable which has no effect on the response?To answer this question describe the effect of those decisions on the mean and variance ofestimators of the slopes.

Answered: onse, instead of including a variable…

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

Similar questions

Distinguish briefly the Measure of Central Tendency and Measure of Variability
Spearman ho is used when relationship between variables is being determined, assuming data is non-normal. True or False?
Explain the relationships among covariance, scatter plot, and correlation?
The correlation between autonomy (how independent and in control of their own decisions someone feels) and sleep disturbance is -0.327. Explain this correlation in terms of size and direction (note: use the actual variables in your explanation).
Suppose the correlation between height and weight for adults is +0.40.What proportion (or percent) of the variability in weight can be explained by the relationship with height?
Describe how correlation and regression are linked yet distinct.
Explain the relationship between correlation and regression. What are the practica applications of them?
What does it mean if the correlation coefficient is 0? Explain in detail
In your own words, explain three differences between correlation and regression analysis
what is the meaning of the negative and positive correlation coefficient values in a linear relationship between variables? explain clearly
An investigator has determined that the correlation between measures of anxiety and depression is -0.65. What kind of relationship is this? Positive Negative Invalid data Nonlinear
If the correlation coefficient between hours spent studying and exam performance is -0.24, then what percent of the variability in the hours spent variable is attributable to the exam performance variable? Round to one decimal place.

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

SEE MORE TEXTBOOKS

onse, instead of including a variable which has no effect on the response? this question describe the effect of those decisions on the mean and variance of of the slopes.