A scatter plot graph is a mathematical diagram used to show caparison of data between two variables. The different values are depicted by dots and are analyzed to see if a relationship exist between the variables. Sometimes a trend line (best fit line) is drawn through the dots to show the average slope of the points. This plot shows the relationship Between car weight and miles per gallon. From the map it is easy to see that as car weight increases, generally the miles per gallon will decrease consequently.
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