BuiLLermv No. 20 
Buyreav of Business Resear 
University of linois 
5, 
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Averoqe 
(Mode) 
186 
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Ratios Lroressea as Percentages 
CHART 5A—FREQUENCY DISTRIBUTION OF THE PREFERRED- STOCK-TO-ToTAL-EQUITIES 
Rati0s oF Pusmric UriLity CoMPANIES, 1915-1024 
It is evident now that the center of the data differs by one class 
interval for each of these sections. The percentages of concentration 
about these class intervals are high, especially the South with 70 per 
cent. 
DISTRIBUTIONS BY SIZE OF COMPANY 
The distributions of the ratio of Preferred Stock to Total Equities 
by size of companies are given in Table Vc. Here, too, a rough ap- 
proximation is obtained by the use of the class interval with the great- 
est number of cases in it. For the classification of the data by size of 
company, these are as follows: 
Companies with Companies with Companies with 
Total Equities Total Equities Total Equities 
of 5-9 of 10-49 of 50 millions 
millions millions and over 
Dominant class interval. ....... .20-.239 .16-.199 .04-.079 
Concentration about the interval. 47%, 529, 469,