Carnegie Mellon Course Dissects Statistics About Sexual Orientation

By JOSH KELLER

"From 10 Percent to Couples Per County: The Statistics of the Gay and Lesbian Population," Carnegie Mellon University

Most statistics courses emphasize the power of statistics. Michele DiPietro's course focuses on the failures.

"Those are two sides of the same coin," says Mr. DiPietro. "As a statistician, the power and the limits are one and the same."

Gay and lesbian studies are certainly fertile ground for bad guesses and unreliable

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