After a rigorous exam in Chem 16, we had our lesson about the best fit line with a guest teacher. It is a line on a scatter plot which can be drawn near the points to more clearly show the trend between two sets of data.When data is displayed with a scatter plot, it is often useful to attempt to represent that data with the equation of a straight line for purposes of predicting values that may not be displayed on the plot.
The professor clear taught us how to organize the data with the proper notations and formulas. Also, statistical methods of central tendency like mean, median and mode, are used to set the best-fit line. - Bartz, 2011
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