Before deciding on a new promotional campaign, Jeffrey's Muffins looked at its customers' buying patterns over a 15-year period as determined by their use of a loyalty card. What method did Jeffrey's use to make sense of the data that were available?

The options are listed below:

A. neuromarketing

B. panel data

C. biometrics

D. data mining

E. data warehousing

The correct option is D. Data mining

Explanation:

Data mining, or knowledge discovery from data (KDD), can be defined as the process whereby trends, common themes or patterns are uncovered in big data.

In other words, we can define data mining as the process that is used in extracting usable data from a larger set of raw data. It implies the analysis of data patterns in large batches of data using one or more software.

As we can see in the scenario presented above, Jeffrey's Muffins utilized the buying patterns of the customers over a 15-year period in order to decide on a new promotional campaign.

1. avoid them

2. a talk with them

3. ask someone you trust

4. ignore

5. call police