Referencing the values in the multiple regression analysis, Reading ability is the independent variable  age and IQ are the dependent variables  1. Does age and IQ predict the reading ability? 2. Which of the predictors(age or IQ) is the stronger predictor of reading ability? What evidence helps support your answer?

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

Referencing the values in the multiple regression analysis,

Reading ability is the independent variable 

age and IQ are the dependent variables 

1. Does age and IQ predict the reading ability?

2. Which of the predictors(age or IQ) is the stronger predictor of reading ability? What evidence helps support your answer?

 

Correlations
Correlations
age
IQ
reading ability
age
Pearson Correlation
1
-.198
.846
Sig. (2-tailed)
.402
.000
N
20
20
20
IQ
Pearson Correlation
-.198
1
.150
Sig. (2-tailed)
.402
.527
20
20
20
reading ability
Pearson Correlation
.846
.150
1
Sig. (2-tailed)
.000
.527
20
20
20
**. Correlation is significant at the 0.01 level (2-tailed).
Transcribed Image Text:Correlations Correlations age IQ reading ability age Pearson Correlation 1 -.198 .846 Sig. (2-tailed) .402 .000 N 20 20 20 IQ Pearson Correlation -.198 1 .150 Sig. (2-tailed) .402 .527 20 20 20 reading ability Pearson Correlation .846 .150 1 Sig. (2-tailed) .000 .527 20 20 20 **. Correlation is significant at the 0.01 level (2-tailed).
Model Summary
Adjusted R
Square
Std. Error of
Model
R
R Square
the Estimate
1
.906
.821
.800
.30739
a. Predictors: (Constant), IQ, age
ANOVA
Sum of
Model
Squares
df
Mean Square
F
Sig.
1
Regression
7.374
2
3.687
39.018
.000
Residual
1.606
17
.094
Total
8.980
19
a. Dependent Variable: reading ability
b. Predictors: (Constant), IQ, age
a
Coefficients
Standardized
Unstandardized Coefficients
Coefficients
Model
В
Std. Error
Beta
Sig.
1
(Constant)
-.703
1.247
-.564
.580
age
.584
.067
.912
8.711
.000
IQ
.036
.011
.331
3.165
.006
a. Dependent Variable: reading ability
Transcribed Image Text:Model Summary Adjusted R Square Std. Error of Model R R Square the Estimate 1 .906 .821 .800 .30739 a. Predictors: (Constant), IQ, age ANOVA Sum of Model Squares df Mean Square F Sig. 1 Regression 7.374 2 3.687 39.018 .000 Residual 1.606 17 .094 Total 8.980 19 a. Dependent Variable: reading ability b. Predictors: (Constant), IQ, age a Coefficients Standardized Unstandardized Coefficients Coefficients Model В Std. Error Beta Sig. 1 (Constant) -.703 1.247 -.564 .580 age .584 .067 .912 8.711 .000 IQ .036 .011 .331 3.165 .006 a. Dependent Variable: reading ability
Expert Solution
steps

Step by step

Solved in 3 steps with 3 images

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