Answered: Indicate which correlation coefficient…

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

What is the correlation between X and Y? a) 1.0 b) -1.0 c) 0.0 d) -0.5
A strong positive correlation means: the points in a scatter diagram lie on a downward sloping line O the points in a scatter diagram lie on an upward sloping line O ris close to -1 O ris close to 1
13) What are the two properties of the correlation coefficient? 14) which correlation coefficient shows the most relationship between the variables? a) .58 b) -.71 c) 2.14 d) .65
A set of data with a correlation coefficient of -0.55 has a a) moderate negative linear correlation b) weak negative linear correlation Oc) strong negative linear correlation d) little or no linear correlation
Principal components analysis is best suited for O A. none of these B. highly correlated variables C. all variables D. uncorrelated variables
Somebody has calculated a correlation coefficient (r) of 0.83 for these variables. In the space 15) below, explain (using sentences for direction, and the appropriate calculation for strength) what this correlation coefficient means in terms of the relationship between the variables. ANSWER - 16) does/does Using a few sentences, provide your assessment of how the correlation coefficient in Q15 not match the relationship between these variables as shown on the scatterplot. ANSWER -
A) Positive correlation B) Negative correlation C) No correlation
6. Which of these relationships would be better described with a Spearman's rank coefficient than with a Pearson's coefficient? a. The association between income and educational attainment (measured in years of school) b. The association between hours of sleep and score on an exam C. The association between years aged and price of wine d. The association between ice cream sales and crime rates e. The association between number on NY Times Best Seller List and copies of book sold
Which of the following correlation (r) show a negative association between 2 variables? 0.2 -1.4 0.4 -0.8
38 - As a result of the research, it was concluded that there is no relationship between the two variables. What is the value of the correlation coefficient? O A) 0,25 O B) 1,0 O C) 0,50 O D) 0,0 O E) 0,75

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

Indicate which correlation coefficient represents a stronger relation between two variables A) -.85 B) +.65 C) 0.00 D) -.70