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Irene Hess
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<p>Ida Irene Hess (August 27, 1910 – July 5, 2009) was an American statistician who was an expert on <a href="/facts/Survey_methodology/vgqyWzAY">survey methodology</a> for scientific surveys and who directed the <a href="/facts/University_of_Michigan_Institute_for_Social_Research/1vsooEtL">University of Michigan Institute for Social Research</a>. </p>