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The Rhythm of Business
Forecasting for Specific Industries
50 Mean Deviation 60 per cent American business Anv business average line upward AVERAGE WEEKLY SALES blast furnace burgh District Business Administration business barometer business cycle BUSINESS FORECASTING business world Coefficient of Mean connect the graphs country at large crisis crossed its line cyclical movements department store sales Deviations Sales Deviations diagonal line Diagram downward movement engineering function fact was plotted field of Business fluctuations averaged four salesmen furnaces in blast Gillman iron and steel July MENT STORE SALES normal PENNSYLVANIA percentage of furnaces periods of prosperity pig-iron production Pitts Pittsburgh crossed Pittsburgh District plans are carried points where production post-war depression present plans present recovery production crosses production of pig-iron production schedule raw materials RESPECTIVE WEEKLY AVERAGES RHYTHM OF BUSINESS Sales Deviations Sales salesmen are plotted School of Business scientific methods seasonal variations secular trend seven department stores Statistics and Business steel industry tion tween University of Pittsburgh upswing