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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 2 3 7 10 2 4 1.22 4.05 3.40 0.72 1.45 Engine Age Baseline Reformulated LAUSE SALT 1 0 1.74 4.41 1.89 5.95 4 11 1.29 2.70 16 0.76 8 0 12 3.43 0.76

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 2 3 7 10 2 4 1.22 4.05 3.40 0.72 1.45 Engine Age Baseline Reformulated LAUSE SALT 1 0 1.74 4.41 1.89 5.95 4 11 1.29 2.70 16 0.76 8 0 12 3.43 0.76

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
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 2AGP
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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 1 2 D 3 2 5 7 D 7 10 Age 11 16 9 0 12 4 Baseline 1.74 4.41 4.05 1.29 5.29 0.54 3.40 3.43 0.76 1.22 Reformulated 1.89 5.95 5.57 2.70 6.53 0.76 4.96 4.92 0.72 1.45 LAUSE SALT Construct scatter plots of the baseline NO emissions versus age. GE. 3. 3 2. 7 6 3 NO 4 6 4 0 NO 0 NO₂ . NO₂ 3 4 3 age 15 KE ME Construct scatter plots of the reformulated NO emissions versus age. x NO₂ 6 4 15 NO₂ 6. 3. 4 3 2. 5 0 5 10 5 10 10 15 10 age 15 age 6 3 O NO₂ 6 3 4 0 0 NO₂ 0 5 What appears to be the nature of the relationship between these two variables? O As age increases, emissions also increase. O Asage increases, emissions decrease O There is no compelling relationship between the data. 5 10 5 10 10 15 10 15 15 15 age age age
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 1 2 D 3 2 5 7 D 7 10 Age 11 16 9 0 12 4 Baseline 1.74 4.41 4.05 1.29 5.29 0.54 3.40 3.43 0.76 1.22 Reformulated 1.89 5.95 5.57 2.70 6.53 0.76 4.96 4.92 0.72 1.45 LAUSE SALT Construct scatter plots of the baseline NO emissions versus age. GE. 3. 3 2. 7 6 3 NO 4 6 4 0 NO 0 NO₂ . NO₂ 3 4 3 age 15 KE ME Construct scatter plots of the reformulated NO emissions versus age. x NO₂ 6 4 15 NO₂ 6. 3. 4 3 2. 5 0 5 10 5 10 10 15 10 age 15 age 6 3 O NO₂ 6 3 4 0 0 NO₂ 0 5 What appears to be the nature of the relationship between these two variables? O As age increases, emissions also increase. O Asage increases, emissions decrease O There is no compelling relationship between the data. 5 10 5 10 10 15 10 15 15 15 age age age
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