Brinton, Willard Cope, 1880- · New York, The Engineering magazine company · leaf 366
349 A FEW CAUTIONS for a curve are available, it can be seen that even if there were only three points instead of four in Fig. 242, the curve would still be valu- able to convey the desired information. In Fig. 53 and Fig. 54 methods are shown by which charts which are essentially curve charts may… … American Railway Association Fig. 243. Freight-Car Shortage and Surplus in the United States for Four Years, 1907 to 191 1, Inclusive The horizontal bars here are so numerous and are placed so close together that the charts have practically the general form of curves drawn vertically instead of…
Graphic methods · Statistics
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