Graphic Presentation

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D. H. Kaplan, "Expenditure Patterns of Urban Families, ciation. March 1938

Journal of the American Stmtiitical Asso- SCALE 8

Straight Line Fitted to Average Expenditures in Relation to Family Income in Wage-Earner Families of Chicago, Illinois, and Denver, Colorado, in 1935- 1936.

1. Because wage levels generally run lower in Denver, the data for Denver wage earners

stops at $3,000 while the data for Chicago runs to $5,000. Approximately thirty families were sampled for each dot or income band on the charts.

2. The method of reading these charts is as follows: in Chicago, a wage-earner family

whose income was in the $1,000 to $1,200 income band would spend about $420 for food, while in Denver, a family with the same income would spend about $390. While $420 was spent by the Chicago family for food, only $90 was spent for clothing.

GRAPHIC PRESENTATION

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A. D. H. Kaplan. "Expenditurr Patterns of Urban Families," Journal of the American Statistical Association. March 1938. SCALE .9

Expenditure Pattern of Wage-Earner Families in Chicago, Illinois, in 1935-36.

1. It should be noted that these lines are cumulative. The line numbered 5 represents

on the expenditure scale the amount spent for 5, 4, 3, 2, and 1. The difference between 4 and 5 is the amount spent for "fuel, light, and refrigeration."