In order to understand consumer purchasing patterns for Lay's chips, Frito-Lay market researchers are likely to use because it analyzes large purchase history databases and coupon redemption histories looking for patterns. a. surveys
b. focus groups
c. data mining

(C) Data mining    

Explanation:  

 The data mining is one of the process that is specifically used for extracting the necessary data or information from the given raw data system and it specifically uses the mathematical analysis for driving the various types of patterns.

The data mining is also known as the knowledge discovering tool that is used for extracting the knowledge from the give data in an organization.

According to the given question, the Frito-lay market is using the data mining method for analyzing the lathe history from the given database. Therefore, Option (C) is correct answer.  

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