5. A Mathematics faculty of a public university conducted a study among students enrolled in an online Mathematics course. He collected data on the number of hours a student spent in the online classroom and his score in the assessment test. The following table were the data collected from 30 randomly selected students: student hours score student hours score 1 28 90 16 10 42 2 29 92 17 30 98 84 3 24 82 18 21 4 25 85 19 11 51 5 23 79 20 16 66 24 82 21 19 77 7 28 98 22 17 70 8 30 80 23 25 85 28 78 24 14 52 10 11 45 25 18 82 11 28 95 26 15 63 12 27 86 27 13 51 13 26 97 28 15 60 14 15 55 29 30 92 15 17 67 30 29 93 a. The correlation coefficient is b. The coefficient of determination is, c. Based on the results of (a) and (b), what conclusions can you reach from this correlation.
5. A Mathematics faculty of a public university conducted a study among students enrolled in an online Mathematics course. He collected data on the number of hours a student spent in the online classroom and his score in the assessment test. The following table were the data collected from 30 randomly selected students: student hours score student hours score 1 28 90 16 10 42 2 29 92 17 30 98 84 3 24 82 18 21 4 25 85 19 11 51 5 23 79 20 16 66 24 82 21 19 77 7 28 98 22 17 70 8 30 80 23 25 85 28 78 24 14 52 10 11 45 25 18 82 11 28 95 26 15 63 12 27 86 27 13 51 13 26 97 28 15 60 14 15 55 29 30 92 15 17 67 30 29 93 a. The correlation coefficient is b. The coefficient of determination is, c. Based on the results of (a) and (b), what conclusions can you reach from this correlation.
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section: Chapter Questions
Problem 8CR
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Transcribed Image Text:5. A Mathematics faculty of a public university conducted a study among students enrolled in
an online Mathematics course. He collected data on the number of hours a student spent in
the online classroom and his score in the assessment test. The following table were the
data collected from 30 randomly selected students:
student
student
1
hours
Score
hours
score
28
90
16
10
42
2
29
92
17
30
98
24
82
18
21
84
4
25
85
19
11
51
5
23
79
20
16
66
6.
24
82
21
19
77
7
28
98
22
17
70
30
80
23
25
85
28
78
24
14
52
10
11
45
25
18
82
11
28
95
26
15
63
12
27
86
27
13
51
13
26
97
28
15
60
14
15
55
29
30
92
15
17
67
30
29
93
a. The correlation coefficient is_
b. The coefficient of determination is
c. Based on the results of (a) and (b), what conclusions can you reach from this
correlation.
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