Beginning in 1940, she used the time in her summers off from teaching to study statistics at the University of Michigan. Although she earned no degree from this study, her work there provided her with enough statistical experience to pass the civil service entrance examination,
preparing her for wartime service in the U.S. Bureau of Labor Statistics and the Bureau of Standards, where she helped work on bomb fuses. After the war, she moved again, to the Census Bureau.
She joined the Institute for Social Research in 1954, and later became its director when its founding director, Leslie Kish, stepped down. She faced mandatory retirement at age 70, in 1981, but continued to be active in statistics and in the institute.
She died on July 5, 2009.
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