Based on the information given regarding the advertising firm, it can be noted that the firm is at step 4 of the data analysis process.
<h3>What is data analysis?</h3>
Data analysis simply means the collection and analysis of data in order to reach a particular conclusion or get certain information.
In this case, since the advertising firm has used insights from its analytics team to create a strategy for improving sales. This is the 4th step which is known as "analyze the data".
