A straight line drawn on a grid can be described by a rule connecting the x and y coordinates of every point on the line. This is known as the equation of the line. The equation of any straight line ...
Scatter graphs are a good way of displaying two sets of data to see if there is a correlation close correlationThe relationship between two sets of data. Usually described as positive or negative., or ...
Data is de rigueur these days. We all know we need it, every line of work uses it, each of us is part of it, many of us interact with it, but fewer know how to get it or what to do with it once we ...
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