Answer:
Data mining
Step-by-step explanation:
Data mining is the process in which we can extract the raw data into useful data that would become beneficial for the company.
Large data is available and if we take the data i.e important or useful so this process we called data mining
In the given situation, it is discovered that when the consumers purchased a sandwich so many customers purchased toothpaste along with it. And for extracting the hiding information from its MIS the store used the data mining technique.