2. [-/10 Points] DETAILS DEVORESTAT8 12.E.002. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER An article reported data from a study in which both a baseline
2. [-/10 Points] DETAILS DEVORESTAT8 12.E.002. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER 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 5 6 7 8 9 10 2 11 16 12 4 Age 0 0 Baseline 1.72 4.37 4.09 1.25 5.30 0.54 3.40 3.43 0.73 1.22 Reformulated 1.90 5.95 5.54 2.65 6.51 0.76 4.95 4.90 0.70 1.39 Construct scatter plots of the baseline NO, emissions versus age. 7 NOX 7 NOX 5 3 21 HN age age 0 5 10 15 O 0 5 10 15 7 NO , 7 NOX 6 5 4 WA H N age age 5 10 15 O 5 10 15 Construct scatter plots of the reformulated NO, emissions versus age. 7 NOX 7 NO, 6 6 5 4 N age age 5 10 15 5 O 0 10 15 7 NOX 7 NOX 6 . 6 51 4 W N age age 5 10 15 0 5 10 15 What appears to be the nature of the relationship between these two variables? O As age increases, emissions also increase. As age increases, emissions decrease O There is no compelling relationship between the data
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