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April 2011 - Posts

David Plaut: Off the Cuff

Beer, Darwin and the T-test
April 27, 2011 1:11 PM by David Plaut
I am compelled to relate a story I recently read involving Charles Darwin, his cousin, Francis Galton and 40 years later, William Gosset of the student t-test. Darwin wanted to test the hypothesis that hybrid corn seeds grew taller than purebred corn. Read More...
A1c: Good, but Not Perfect
April 14, 2011 11:44 AM by David Plaut
A1c is good--but it's not perfect. A friend recently sent me a case study: These data come from a pregnant woman whom the doctor is concerned about gestational diabetes. Hemoglobin A1c …..6.4 (Jan 2011), then repeated in March and measured that A1c 5.8% Read More...


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