Below are four bivariate data sets and their scatter plots. (Note that all of the scatter plots are displayed with the same scale.) Each data set is made up of sample values drawn from a population. y 11 1.0 10.0 10- 9 2.0 9.0 8- 3.0 8.0 7- 4.0 7.0 6 5 5.0 6.0 4 6.0 5.0 3. 7.0 4.0 2 1- 8.0 3.0 9.0 2.0 10.0 1.0 Figure 1. X 11 10 9 8 0 1 w t 1.0 8.1 2.0 6.5 3.0 7.6 7+ 6 5 4.0 5.9 5.0 7.2 6.0 4.6 3. 4 7.0 5.0 2 1 8.0 3.6 9.0 4.3 10.0 3.2 Figure 3 * * 2 x x 3 * + + + 4 56 * ** x (Choose one) 7 8 9 10 11 w + 4 0 1 2 3 4 5 6 7 8 9 10 11 x u V 1.0 6.7 2.0 9.6 3.0 3.5 4.0 8.9 5.0 4.8 6.0 2.5 7.0 6.4 2 1- 0 1 2 8.0 10.2 9.0 4.7 10.0 7.9 Figure 2 mn 1.0 4.3. 2.0 6.1 3.0 7.2 4.0 4.4 11 10 9 8- 7 6 5 4. 3. 11 10 (b) For which data set is the sample correlation coefficient / equal to 1? (Choose one) 5.0 5.1 6.0 8.4 7.0 5.4 8.0 7.5 9.0 9.3 10.0 7.3 Figure 4. 9. 8 7 6 5 4 3 2 1 (d) For which data set is the sample correlation coefficient closest to 0? 0 X x (a) Which data set indicates the strongest negative linear relationship between its two variables? (Choose one) ▼ (c) Which data set has an apparent negative, but not perfect, linear relationship between its two variables? (Choose one) X X 4 6 X X 7 8 9 10 11 * Answer the following questions about the relationships between pairs of variables and the values of r, the sample correlation coefficient. The same response may be the correct answer for more than one question. H 1 2 3 4 5 6 7 8 9 10 11 m 14

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 11PPS
icon
Related questions
Question

Problem 1

Below are four bivariate data sets and their scatter plots. (Note that all of the scatter plots are displayed with the same
scale.) Each data set is made up of sample values drawn from a population.
x y
1.0 10.0
اناس
2.0 9.0
oooo
1 a
3.0 8.0
4.0
7.0
5.0 6.0
6.0 5.0
7.0
4.0
8.0
3.0
9.0 2.0
10.0 1.0 Figure 1
W
1.0 8.1
2.0 6.5
3.0 7.6
4.0 5.9
5.0 7.2
6.0 4.6
7.0 5.0
11
10
11
10- X
9
8
7
6
5
4
3
2
1
2
0
9-
8
7-
6-
5
4-
3
2
1-
1
8.0 3.6
9.0 4.3
10.0 3.2 Figure 3
0 1 2
2
3
3
4
(Choose one)
4
5
(Choose one)
5
6
6
7
7 8
8
9 10 11
W
10 11
u
V
1.0
6.7
2.0
9.6
3.0
3.5
4.0
8.9
5.0
4.8
6.0
2.5
7.0 6.4
8.0 10.2
9.0 4.7
10.0 7.9 Figure 2
93∞
11-
10-
9
8
7
11
10
(b) For which data set is the sample correlation coefficient equal to 1?
6
5
4
3
2
1
3
(d) For which data set is the sample correlation coefficient / closest to 0?
(Choose one)
1.0 4.3
2.0 6.1
3.0 7.2
4.0 4.4
5.0 5.1
6.0 8.4
7.0 5.4
8.0 7.5
9.0 9.3
10.0 7.3 Figure 4
9
8.
7-
6
5
4
0 1 2
2
1-
X
n
(a) Which data set indicates the strongest negative linear relationship between its
two variables?
X
0 1 2
(c) Which data set has an apparent negative, but not perfect, linear relationship
between its two variables?
(Choose one)
3
3
4
4 5
5
6 7 8
Answer the following questions about the relationships between pairs of variables and the values of r, the sample
correlation coefficient. The same response may be the correct answer for more than one question.
9 10 11
X
m
28
6 7 8 9 10 11
Transcribed Image Text:Below are four bivariate data sets and their scatter plots. (Note that all of the scatter plots are displayed with the same scale.) Each data set is made up of sample values drawn from a population. x y 1.0 10.0 اناس 2.0 9.0 oooo 1 a 3.0 8.0 4.0 7.0 5.0 6.0 6.0 5.0 7.0 4.0 8.0 3.0 9.0 2.0 10.0 1.0 Figure 1 W 1.0 8.1 2.0 6.5 3.0 7.6 4.0 5.9 5.0 7.2 6.0 4.6 7.0 5.0 11 10 11 10- X 9 8 7 6 5 4 3 2 1 2 0 9- 8 7- 6- 5 4- 3 2 1- 1 8.0 3.6 9.0 4.3 10.0 3.2 Figure 3 0 1 2 2 3 3 4 (Choose one) 4 5 (Choose one) 5 6 6 7 7 8 8 9 10 11 W 10 11 u V 1.0 6.7 2.0 9.6 3.0 3.5 4.0 8.9 5.0 4.8 6.0 2.5 7.0 6.4 8.0 10.2 9.0 4.7 10.0 7.9 Figure 2 93∞ 11- 10- 9 8 7 11 10 (b) For which data set is the sample correlation coefficient equal to 1? 6 5 4 3 2 1 3 (d) For which data set is the sample correlation coefficient / closest to 0? (Choose one) 1.0 4.3 2.0 6.1 3.0 7.2 4.0 4.4 5.0 5.1 6.0 8.4 7.0 5.4 8.0 7.5 9.0 9.3 10.0 7.3 Figure 4 9 8. 7- 6 5 4 0 1 2 2 1- X n (a) Which data set indicates the strongest negative linear relationship between its two variables? X 0 1 2 (c) Which data set has an apparent negative, but not perfect, linear relationship between its two variables? (Choose one) 3 3 4 4 5 5 6 7 8 Answer the following questions about the relationships between pairs of variables and the values of r, the sample correlation coefficient. The same response may be the correct answer for more than one question. 9 10 11 X m 28 6 7 8 9 10 11
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 4 steps

Blurred answer
Recommended textbooks for you
Glencoe Algebra 1, Student Edition, 9780079039897…
Glencoe Algebra 1, Student Edition, 9780079039897…
Algebra
ISBN:
9780079039897
Author:
Carter
Publisher:
McGraw Hill