A professor is shopping for a diamond engagement ring. He is found with certain specifications for a certain price, and wishes to determine if the price of the diamond is fair. It collects data on the prices and characteristics (cut, color, clarity and carat) of diamonds from several hundred three internet wholesalers. Can be used for linear regression analysis with categorical variables, and other statistical methods.

A professor is shopping for a diamond engagement ring. He is found with certain specifications for a certain price, and wishes to determine if the price of the diamond is fair. It collects data on the prices and characteristics (cut, color, clarity and carat) of diamonds from several hundred three internet wholesalers. Can be used for linear regression analysis with categorical variables, and other statistical methods.
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from
Gregory S. Zaric,
Michael Leff
Source: Ivey Publishing
13 pages.
Publication Date: Nov 24,, 2006. Prod #: 906E17-PDF-ENG
Professor proposes HBR case solution