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11:08
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O REGRESSION AND CORRELATION
Shasia v
Linear relationship and the.
Below are four bivariate data sets and the scatter plot for each. (Note
that each scatter plot is displayed on the same scale.) Each data set is
made up of sample values drawn from a population.
1.0 8.0
2.0 7.1
3.0 7.8
1.0 7.8
2.0 5.0
3.0 10.1
4.0 6.3
4.0 5.9
5.0 6.8
5.0 1.8
6.0 4.3
to
6.0 4.8
7.0 4.7
7.0 9.5
8.0 3.5
9.0 4.5 Figure 1
10.0 3.1
8.0 4.0
9.0 9.3 Figure 2
10.0 6.8
w
m
1.0 7.3
1.0 3.6
2.0 4.3
3.0 3.8
2.0 9.2
3.0 7.5
4.0 4.9
4.0 5.0
5.0
4.7
5.0 8.1
6.0 6.7
7.0 6.1
8.0 7.7
6.0 5.2
7.0 4.0
9.0 6.9 Figure 3
10.0 8.2
8.0 7.2
9.0 6.0 Figure 4
10.0 4.2
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.
1. For which data set is the sample correlation
coefficient r closest to 1
Choose one
o 17
2. For which data set is the sample correlation
coefficient requal to -17
Choose one
3. Which data set indicates the strongest negative linear Choose one
relationship between its two variables?
4. For which data set is the sample correlation
coefficient r closest to 0?
Choose one
?
Explanation
Check
o 2021 McGraw-HiI Education. All Rights Reserved. Terms of Use Privacy Accessibility
Transcribed Image Text:11:08 AA www-awn.aleks.com O REGRESSION AND CORRELATION Shasia v Linear relationship and the. Below are four bivariate data sets and the scatter plot for each. (Note that each scatter plot is displayed on the same scale.) Each data set is made up of sample values drawn from a population. 1.0 8.0 2.0 7.1 3.0 7.8 1.0 7.8 2.0 5.0 3.0 10.1 4.0 6.3 4.0 5.9 5.0 6.8 5.0 1.8 6.0 4.3 to 6.0 4.8 7.0 4.7 7.0 9.5 8.0 3.5 9.0 4.5 Figure 1 10.0 3.1 8.0 4.0 9.0 9.3 Figure 2 10.0 6.8 w m 1.0 7.3 1.0 3.6 2.0 4.3 3.0 3.8 2.0 9.2 3.0 7.5 4.0 4.9 4.0 5.0 5.0 4.7 5.0 8.1 6.0 6.7 7.0 6.1 8.0 7.7 6.0 5.2 7.0 4.0 9.0 6.9 Figure 3 10.0 8.2 8.0 7.2 9.0 6.0 Figure 4 10.0 4.2 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. 1. For which data set is the sample correlation coefficient r closest to 1 Choose one o 17 2. For which data set is the sample correlation coefficient requal to -17 Choose one 3. Which data set indicates the strongest negative linear Choose one relationship between its two variables? 4. For which data set is the sample correlation coefficient r closest to 0? Choose one ? Explanation Check o 2021 McGraw-HiI Education. All Rights Reserved. Terms of Use Privacy Accessibility
11:08
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O REGRESSION AND CORRELATION
Shasia v
Linear relationship and the..
uctaחacבר (.םיוaספיסי5am "םחסיחסיaspIeycaSירטסוקרוש,com-5c
eup of sample values drawn from a population.
ueteרCnc=מ cal7רסידדוaכררשרדוGycu-oוק ו
y
u
O 8.0
1.0
7.8
11
10-
0 7.1
2.0 | 5.0
3.0 10.1
O 7.8
6.3
4.0 5.9
0 6.8
5.0 | 1.8
6.0 4.8
團
4.3
7.0 9.5
8.0
4.0
Figure 1
9.0
9.3
Figure 2
10.0 6.8
m
1.0 7.3
10
10
4.3
2.0 9.2
3.8
3.0 7.5
04.9
0 4.7
4.0
5.0
5.0
8.1
O 6.7
6.0
5.2
2.
0 6.1
7.0 4.0
0 7.7
8.0 7.2
o 6.9 Figure 3
9.0 6.0
Figure 4
0 8.2
10.0 4.2
er the following questions about the relationships between
ples and the values of r, the sample correlation coefficient.
response may be the correct answer for more than one qu
ch data set is the sample correlation
Er closest to 1?
Choose one
ich data set is the sample correlation
cr equal to -1?
Choose one
Done
Choose one
the x, y data set
the u, v data set
the w, t data set
the m, n data set
Transcribed Image Text:11:08 AA www-awn.aleks.com O REGRESSION AND CORRELATION Shasia v Linear relationship and the.. uctaחacבר (.םיוaספיסי5am "םחסיחסיaspIeycaSירטסוקרוש,com-5c eup of sample values drawn from a population. ueteרCnc=מ cal7רסידדוaכררשרדוGycu-oוק ו y u O 8.0 1.0 7.8 11 10- 0 7.1 2.0 | 5.0 3.0 10.1 O 7.8 6.3 4.0 5.9 0 6.8 5.0 | 1.8 6.0 4.8 團 4.3 7.0 9.5 8.0 4.0 Figure 1 9.0 9.3 Figure 2 10.0 6.8 m 1.0 7.3 10 10 4.3 2.0 9.2 3.8 3.0 7.5 04.9 0 4.7 4.0 5.0 5.0 8.1 O 6.7 6.0 5.2 2. 0 6.1 7.0 4.0 0 7.7 8.0 7.2 o 6.9 Figure 3 9.0 6.0 Figure 4 0 8.2 10.0 4.2 er the following questions about the relationships between ples and the values of r, the sample correlation coefficient. response may be the correct answer for more than one qu ch data set is the sample correlation Er closest to 1? Choose one ich data set is the sample correlation cr equal to -1? Choose one Done Choose one the x, y data set the u, v data set the w, t data set the m, n data set
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