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 student hours 10 score score 42 98 28 90 16 2 29 92 17 30 24 82 18 21 84 4 25 85 19 11 51 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 13 군구 26 86 97 27 28 13 15 51 60 14 15 17 55 29 30 92 15 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.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
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Chapter10: Statistics
Section10.6: Summarizing Categorical Data
Problem 10CYU
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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
06
92
1
28
16
10
42
2
29
17
30
98
24
82
18
21
84
4
25
85
19
11
51
23
79
20
16
66
6
24
82
21
19
77
7
28
98
22
17
70
8.
30
80
23
25
85
9.
28
78
24
14
52
10
11
45
25
18
82
11
28
95
26
15
63
12
13
27
26
-86
97
2구
28
13
15
51
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.
Transcribed Image Text: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 06 92 1 28 16 10 42 2 29 17 30 98 24 82 18 21 84 4 25 85 19 11 51 23 79 20 16 66 6 24 82 21 19 77 7 28 98 22 17 70 8. 30 80 23 25 85 9. 28 78 24 14 52 10 11 45 25 18 82 11 28 95 26 15 63 12 13 27 26 -86 97 2구 28 13 15 51 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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