Data for selected fruits purchased at wholesale prices for 2005 and 2009 are shown in the following table. 
What is Fisher's ideal index?
Definitions:
Licensing Agreement
A legal contract granting permission to use patented inventions, copyrights, trademarks, or software under defined conditions.
International Business
The exchange of goods, services, technology, and capital across national borders, involving the intricate dynamics of global trade and investment.
Manufacture
The process of making products on a large scale using machinery in factories.
Masculinity-Femininity
A cultural dimension that explores the distribution of roles between genders within a society, often used in cross-cultural research.
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