Student # Intelligence Science Ranked d₁² Ranked science test scores grade intelligence scores grade 1 65 85 8 6.5 2 50 74 1.5 1.5 3 55 76 4.5 3.5 4 65 8 9 5 55 4.5 6.5 6 70 11 8 7 65 8 11 8 70 11 12 9 55 81 4.5 5 10 70 91 11 10 11 50 76 1.5 3.5 12 55 74 4.5 1.5 Given is the data of intelligence scores and science grades of junior-high-school students in ABC School. What is the value of r? What is the value of r²? Show the regression line. Compute for Spearman Rank-order. State your conclusion. 888888 90 85 87 94 98

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.3: Measures Of Spread
Problem 1GP
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Student # Intelligence Science
Ranked
Ranked
d₁²
test scores
grade
intelligence science
scores
grade
1
65
85
8
6.5
2
50
74
1.5
1.5
3
55
76
4.5
3.5
4
65
90
8
9
5
55
85
4.5
6.5
6
70
87
11
8
7
65
94
8
11
70
98
11
12
9
55
81
4.5
5
10
70
91
11
10
11
50
76
1.5
3.5
12
55
74
4.5
1.5
Given is the data of intelligence scores and science grades of junior-high-school students in ABC
School.
What is the value of r?
What is the value of r²?
Show the regression line.
Compute for Spearman Rank-order.
State your conclusion.
00 a
8
d₁
Transcribed Image Text:Student # Intelligence Science Ranked Ranked d₁² test scores grade intelligence science scores grade 1 65 85 8 6.5 2 50 74 1.5 1.5 3 55 76 4.5 3.5 4 65 90 8 9 5 55 85 4.5 6.5 6 70 87 11 8 7 65 94 8 11 70 98 11 12 9 55 81 4.5 5 10 70 91 11 10 11 50 76 1.5 3.5 12 55 74 4.5 1.5 Given is the data of intelligence scores and science grades of junior-high-school students in ABC School. What is the value of r? What is the value of r²? Show the regression line. Compute for Spearman Rank-order. State your conclusion. 00 a 8 d₁
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