3. Use the following data to determine which factor is most predictive of test scores. For eachindependent variable, create a scatterplot for its relationship with test scores. Also calculate Pearson's rfor each variable. Based on the scatterplot and Pearson's r, which factor has the strongest relationshipwith test scores?Student IDTest Score SleepHrs. StudiedIQGPA1676.54902.92778.571022.83967.5161303.84615932.2589111253.16.7351062.47938171223.48.585.52881.7751002.410821081073.0119012141183.61269113922.013847.591033.214786.513772.8156322992.516871143.31776881102.4187011.511252.81972104862.12050701.5ON 05

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Description: 3. Use the following data to determine which factor is most predictive of test scores. For eachindependent variable, create a scatterplot for its relationship with test scores. Also calculate Pearson's rfor each variable. Based on the scatterplot an

The data given is as follows Test scores Sleep Hrs studied IQ GPA 67 6.5 4 90 2.9 77 8.5 7…

Answered: independent variable, create a…

Big Ideas Math A Bridge To Success Algebra 1: Student Edition 2015

1st Edition

ISBN:9781680331141

Author:HOUGHTON MIFFLIN HARCOURT

Publisher:HOUGHTON MIFFLIN HARCOURT

Chapter11: Data Analysis And Displays

Section: Chapter Questions

Problem 4CR

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3. Use the following data to determine which factor is most predictive of test scores. For each
independent variable, create a scatterplot for its relationship with test scores. Also calculate Pearson's r
for each variable. Based on the scatterplot and Pearson's r, which factor has the strongest relationship
with test scores?
Student ID
Test Score Sleep
Hrs. Studied
IQ
GPA
1
67
6.5
4
90
2.9
2
77
8.5
7
102
2.8
3
96
7.5
16
130
3.8
4
61
5
93
2.2
5
89
11
125
3.1
6.
73
5
106
2.4
7
93
8
17
122
3.4
8.
58
5.5
2
88
1.7
75
100
2.4
10
82
10
8
107
3.0
11
90
12
14
118
3.6
12
69
11
3
92
2.0
13
84
7.5
9
103
3.2
14
78
6.5
13
77
2.8
15
63
2
2
99
2.5
16
87
114
3.3
17
76
8
8
110
2.4
18
70
11.5
1
125
2.8
19
72
10
4
86
2.1
20
50
70
1.5
ON 05

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