SOLUTION: A plant distills liquid air to produce oxygen, nitrogen and argon. The percentage of impurity in the oxygen is thought to be linearly related to the amount of impurities in the air
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Question 320411: A plant distills liquid air to produce oxygen, nitrogen and argon. The percentage of impurity in the oxygen is thought to be linearly related to the amount of impurities in the air as measured by the "pollution count" in parts per million (ppm). A sample of plant operating data is shown below:
Purity (%) Pollution count
93.3 1.1
92 1.45
92.4 1.36
91.7 1.59
94 1.08
94.6 0.75
93.6 1.2
93.1 0.99
93.2 0.83
92.9 1.22
92.2 1.47
91.3 1.81
90.1 2.03
91.6 1.75
91.9 1.68
Fit a simple linear regression model to the data. Answer by Fombitz(32388) (Show Source):
