A line graph is used to spot trends in data over time. In order to produce a line graph, data is required. The data often comes in the form of a table. A student recorded how much time they spent ...

Plot points with coordinates where \(x\) and \(y\) are equal. Three points are sufficient, but more can be plotted. Draw a line through the plotted points. If \(x\) is positive, \(y\) is negative. If ...

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linear graphs for the design of experiments with some factors at more than two levels. Instead we shall limit the discussion to Taguchi's original method for the accommo-dation of interaction effects ...