An article reported data from a study in which both a baseline gasoline mixture and a reformulated gasoline were used. Consider the following observations on age (yr) and NO emissions (g/k 2 7 10 1 3 5 0 0 2 7 1.73 4.36 4.06 1.23 5.32 11 4 9 3.34 4.97 4.88 3.47 6.52 Construct scatter plots of the baseline NO emissions versus age. NOX O 5 4 3 2 1 6 5 Engine Age Baseline Reformulated 1.87 5.93 5.52 2.66 USE SALT 3 2 1 . O NO, 0 5 10 10 15 15 age age 6 16 0.54 0.73 O 6 5 NOX 6 5 A 3 2 1 0 5 4 3 2 1 NO, 8 0 0 9 12 0.74 1.25 0.69 1.40 10 10 15 15 age age
An article reported data from a study in which both a baseline gasoline mixture and a reformulated gasoline were used. Consider the following observations on age (yr) and NO emissions (g/k 2 7 10 1 3 5 0 0 2 7 1.73 4.36 4.06 1.23 5.32 11 4 9 3.34 4.97 4.88 3.47 6.52 Construct scatter plots of the baseline NO emissions versus age. NOX O 5 4 3 2 1 6 5 Engine Age Baseline Reformulated 1.87 5.93 5.52 2.66 USE SALT 3 2 1 . O NO, 0 5 10 10 15 15 age age 6 16 0.54 0.73 O 6 5 NOX 6 5 A 3 2 1 0 5 4 3 2 1 NO, 8 0 0 9 12 0.74 1.25 0.69 1.40 10 10 15 15 age age
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter4: Equations Of Linear Functions
Section4.5: Correlation And Causation
Problem 23PFA
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Transcribed Image Text:An article reported data from a study in which both a baseline gasoline mixture and a reformulated gasoline were used. Consider the following observations on age (yr) and NO emissions (g/kWh):
Engine
2
7
8
1
0
1.73
Age
Baseline
4.36
Reformulated 1.87 5.93
0
3
5
2 11 7
4.06 1.23 5.32
5.52 2.66 6.52
6
16 9
0
0.54 3.34
3.47
0.73 4.97 4.88
USE SALT
Construct scatter plots of the baseline NO emissions versus age.
7 NOX
6
5
4
2
1
6
5
3
2
0
NOX
0
5
5
10
10
15
15
age
age
O
O
6
5
2
1
6
5
4
3
2
NOx
0
NOX
0
5
5
9
12
10
4
0.74 1.25
0.69 1.40
10
10
15
15
age
age
Transcribed Image Text:Construct scatter plots of the reformulated NOx emissions versus age.
NOx
6
5
E
3
2
1
0
3
2
1
NOX
6
5.
0
5
5
10
10
15
15
age
O There is no compelling relationship between the data.
O As age increases, emissions also increase.
age
O
6
5
4
3
نما
2
1
6
5
3
2
1
NOx
NOX
What appears to be the nature of the relationship between these two variables?
O As age increases, emissions decrease.
5
5
10
10
15
15
age
age
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