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Chapter 12: Simple Linear Regression and Correlationc. A scatter plot of the data appears below. The points exhibit quite a bit of variation and donot appear to fall close to any straight line or simple curve.3Ratio:21170 180 190Temp:2. Scatter plots for the emissions vs age:57645Baseline32Reformul43211000 5 1 0 1 5Age:05Age:1 015With this data the relationship between the age of the lawn mower and its NO x emissionsseems somewhat dubious. One might have expected to see that as the age of the lawn mowerincreased the emissions would also increase. We certainly do not see such a pattern. Agedoes not seem to be a particularly useful predictor of NO x emission.352

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