The following data are from a random sample of thirty cases from a study by Howell & Huessx (1981). The data represent the relationship between IQ scores on the Otis-Lennon Mental Abilities Test, administered while subjects were in JCDA in min th

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
icon
Concept explainers
Topic Video
Question

Could you explain the sub parts. The questions underneath

Regression Worksheet
The following data are from a random sample of thirty cases from a study by
Howell & Huessx (1981). The data represent the relationship between IQ scores
on the Otis-Lennon Mental Abilities Test, administered while subjects were in
fifth to eighth grade, and GPA in ninth grade.
Subject
1
IQ
102
GPA
2.75
108
4,00
109
118
2.25
3.00
1.67
2,25
2,50
79
6.
88
7
100
92
131
83
3.50
3.75
2.75
10
11
115
92
95
4.00
2,23
12
13
3.00
90
106
85
14
2.50
15
2.75
2.75
16
95
97
17
2.75
2.67
18
19
93
2,00
20
81
111
2,00
3.00
1.50
21
22
95
23
24
25
106
83
81
3.75
.67
1.50
26
112
85
115
3.00
27
1.75
28
3.75
29
30
86
1,00
85
2,50
Is IQ related to GPA?
If a student's IQ is 117, what GPA would you predict?
How much of the variation in GPA is explained by IQ?
What can you conclude based upon the standard error of the estimate?
Complete an APA, 3 part write-up for the linear regression worksheet.
Transcribed Image Text:Regression Worksheet The following data are from a random sample of thirty cases from a study by Howell & Huessx (1981). The data represent the relationship between IQ scores on the Otis-Lennon Mental Abilities Test, administered while subjects were in fifth to eighth grade, and GPA in ninth grade. Subject 1 IQ 102 GPA 2.75 108 4,00 109 118 2.25 3.00 1.67 2,25 2,50 79 6. 88 7 100 92 131 83 3.50 3.75 2.75 10 11 115 92 95 4.00 2,23 12 13 3.00 90 106 85 14 2.50 15 2.75 2.75 16 95 97 17 2.75 2.67 18 19 93 2,00 20 81 111 2,00 3.00 1.50 21 22 95 23 24 25 106 83 81 3.75 .67 1.50 26 112 85 115 3.00 27 1.75 28 3.75 29 30 86 1,00 85 2,50 Is IQ related to GPA? If a student's IQ is 117, what GPA would you predict? How much of the variation in GPA is explained by IQ? What can you conclude based upon the standard error of the estimate? Complete an APA, 3 part write-up for the linear regression worksheet.
Expert Solution
steps

Step by step

Solved in 2 steps with 1 images

Blurred answer
Knowledge Booster
Application of Algebra
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, statistics and related others by exploring similar questions and additional content below.
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