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Plot graphs for data given in Table 4.4, using different X and Y scales, on different graph papers. Compare the graphs to find how the appearance of the graph is affected by the choice of scales and decide which scale is better and why. Now repeat this with any graph plotting app. Such apps generally automatically adjust the axes to fit the data well on the screen.
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The same data can look steep or flat depending on the scales chosen, though the actual values are unchanged. A good scale spreads the data across most of the page so points are easy to plot and read. Graph-plotting apps auto-fit the axes for exactly this reason.
