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 77 8.5 7 102 2.8 3 96 7.5 16 130 3.8 61 4 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 8 6 100 2.4 10 82 10 8 107 3.0 11 90 12 14 118 3.6 12 69 11 92 2.0 12 102

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 77 8.5 7 102 2.8 3 96 7.5 16 130 3.8 61 4 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 8 6 100 2.4 10 82 10 8 107 3.0 11 90 12 14 118 3.6 12 69 11 92 2.0 12 102

Name: 3. Use the following data to determine which factor is most predictiv
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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

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter4: Equations Of Linear Functions

Section4.5: Correlation And Causation

Problem 11PPS

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Concept explainers

Contingency Table

A contingency table can be defined as the visual representation of the relationship between two or more categorical variables that can be evaluated and registered. It is a categorical version of the scatterplot, which is used to investigate the linear relationship between two variables. A contingency table is indeed a type of frequency distribution table that displays two variables at the same time.

Binomial Distribution

Binomial is an algebraic expression of the sum or the difference of two terms. Before knowing about binomial distribution, we must know about the binomial theorem.

Topic Video

Question

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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