Any help on this would be appreciated! I am so lost! Regression WorksheetThe following data are from a random sample of thirty cases from a study byHowell & Huessy (1981). The data represent the relationship between IQ scoreson the Otis-Lennon Mental Abilities Test, administered while subjects were infifth to eighth grade, and GPA in ninth grade.SubjectIQGPA11022.7521084.0031092.2541183.00791.676.882.251002.508923.5091313.7510832.75111154.0012922.2313953.0014902.50151062.7516852.7517952.7518972.6719932.0020812.00211113.0022951.50231063.752483.6725811.50261123.027851.75281153.7529861.0030852.50Is IQ related to GPA?If a student's IQ is 117, what GPA wouldHow much of the variation in GPA is explained by IQ?What can you conclude based upon the standard error of the estimate?you predict?

a. Using Excel, we can find the linear equation as follows, Enter the data and select it. Go to…

The following data are from a random sample of thirty cases from a study by Howell & Huessy (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 IQ GPA 1 102 2.75 2 108 4.00 3 109 2.25 4 118 3.00 79 1.67 6 88 2.25 7 100 2.50 92 3.50 9. 131 3.75 10 83 2.75 11 115 4.00 12 92 2.23 13 95 3.00 14 90 2.50 15 106 2.75 16 85 2.75 17 95 2.75 18 97 2.67 19 93 2.00 20 81 2.00 21 111 3.00 22 95 1.50 23 106 3.75 24 83 .67 25 81 1.50 26 112 3.00 27 85 1.75 28 115 3.75 29 86 1.00 30 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?

The following data are from a random sample of thirty cases from a study by Howell & Huessy (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 IQ GPA 1 102 2.75 2 108 4.00 3 109 2.25 4 118 3.00 79 1.67 6 88 2.25 7 100 2.50 92 3.50 9. 131 3.75 10 83 2.75 11 115 4.00 12 92 2.23 13 95 3.00 14 90 2.50 15 106 2.75 16 85 2.75 17 95 2.75 18 97 2.67 19 93 2.00 20 81 2.00 21 111 3.00 22 95 1.50 23 106 3.75 24 83 .67 25 81 1.50 26 112 3.00 27 85 1.75 28 115 3.75 29 86 1.00 30 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?

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Question

Any help on this would be appreciated! I am so lost!

Regression Worksheet
The following data are from a random sample of thirty cases from a study by
Howell & Huessy (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
IQ
GPA
1
102
2.75
2
108
4.00
3
109
2.25
4
118
3.00
79
1.67
6.
88
2.25
100
2.50
8
92
3.50
9
131
3.75
10
83
2.75
11
115
4.00
12
92
2.23
13
95
3.00
14
90
2.50
15
106
2.75
16
85
2.75
17
95
2.75
18
97
2.67
19
93
2.00
20
81
2.00
21
111
3.00
22
95
1.50
23
106
3.75
24
83
.67
25
81
1.50
26
112
3.0
27
85
1.75
28
115
3.75
29
86
1.00
30
85
2.50
Is IQ related to GPA?
If a student's IQ is 117, what GPA would
How much of the variation in GPA is explained by IQ?
What can you conclude based upon the standard error of the estimate?
you predict?

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