WHAT MAKES THE PRICE OP OATS 39 
Callander, W. F., and Becker, J. A. 
The use of "pars" and "normals" in forecasting crop production. In 
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Davies, G. R. 
Introduction to economic statistics. New York, 1922. 
Includes a treatment of the method of averages in computing index numbers and the method 
of least squares. 
Edgeworth, F. Y. 
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Fisher, Irving. 
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Flux, A. W. 
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Hooker, R. H. 
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Mills, F. C. 
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Mitchell, W. C. 
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Forecasting the yield and the price of cotton. New York, 1917. 
Persons, W. M. 
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A study of statistical method. In The Review of Economic Statistics, 
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Persons, W. M., Foster, W. T., and Hettinger, A. J., jr., ed. 
The problem of business forecasting. Boston and New York 1924. 
The Review of Economic Statistics, preliminary vol. 1. Cambridge, Mass. 
Harvard university Committee on economic research, 1919. See Index. 
Smith, B. B. 
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Mimeographed. 
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