"L.Tndlortl and Tenant on ttif Cotton Plantation." IQJ6.

Distribution of Total Gross Income of 645 Cotton Plantations in the United States in 1934.

A frcqiit'ncy chart is a distribution accordinn to certain catcnorics. In this chart the cate- Horifs arc income groups. The first bar represents the number of cotton plantations in the United States with an income less than $2,000 a year, while the last bar represents the number of plantations with an income of $35,000 or more.

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FREQUENCY CHARTS

MACHINE OPERATORS

PERC£NT or TOTAL PCRCLNT OF TOTAL

16-19 20-24 25-34 35-44 45-54 55-64

AGE GROUPS

HAND CIGAR MAKERS

PERCENT OF TOTAL

PERCENT OF TOTAL

20-24 25-34 35-44 45-54 55-04 85 AND

ON/FR

AGE GROUPS

WPA National Rrsrarrh Projcrt. CiKar M;ikrr» -- Aftrr thr Lay-off." Dfccm»>*r 1Q37 Age of Machine Operators in Cigar Factories and Hand Cigar Makers in the United States as of July 1931.

1. A comparison of these two frequency charts indicates that machine operators are relatively much younger than hand cigar makers.

i. The notation of the median age means that there are as many men younger than 26 working as machine operators as there arc men older than 26.

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GRAPHIC PRESENTATION

Male

Female

WPA, Diviiion of Social Rcsfarch. "Urban Workers on Relief," 1936.

SCAI.E 9

Duration of Unemployment Since Last Non-Relief Job of Unemployed Workers on Relief in May 1934 by Socio-Economic Group of Usual Occupation in the United States.

Note that the total of the bars representing any one group, such as female unskilled workers, is equal to 100 per cent.