Business StatisticsMcGraw-Hill Book Company, 1932 - 707 sider |
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actual amount analysis analyzing arithmetic average bank basis bonds budget business conditions business cycle census changes chapter chart class interval column common Company compared computed correlation cost cumulative frequency curve cyclical determined discussion dollars earnings economic erratic estimate factors figures forecasting frequency distribution geometric graphic illustrated in Exhibit important income increase increment index number indicate industry instance investment January July least squares logarithmic logarithmic scale LONG TONS manufacturing mathematical measure median methods month monthly Motors Corporation movements moving average necessary normal number of items obtained ordinarily Pearsonian percentage deviations percentage relatives period Pig iron plans plotted population Pound practical present problem production quartile rates ratio relation representative scale scatter diagram seasonal index seasonal variation shown shows standard deviation tion trend ordinate United wage Walworth weighted geometric mean weights