Answer:
Data Mining
Explanation:
Data mining is a process by which business organization collect data analyse the data to draw a meaningful conclusion.
It is also known as "knowledge discovery in data".
The data collected is used to improve on the business firms services. Data mining enables business organization to learn more about their customers preferences, to develop more effective marketing strategies, increase sales and decrease cost of production.
It is the extraction of data from large set of raw data which helps business to achieve their objectives and make better decisions.
Walmart is involved in data mining by recording information on goods purchased, and the purchasing pattern of customers. This will enable them to make decisions that will improve customers satisfaction and reduces their cost of production in order for them to generate more profits.