How would a data analyst formulate a single key performance indicator (KPI) that effectively measures the success of a marketing campaign for both the finance and sales departments?

The data analyst would formulate Marketing Return on Investment, commonly known as ROMI, as the single key performance indicator. ROMI effectively measures the success of a marketing campaign by quantifying the financial return generated for every dollar spent on that campaign. It directly links marketing expenditure to the resulting revenue, providing a clear financial outcome. The formula for ROMI is: (Revenue Attributed to Marketing Campaign - Marketing Campaign Cost) / Marketing Campaign Cost. This calculation yields a ratio that indicates how much net revenue was generated for each unit of currency invested. "Revenue Attributed to Marketing Campaign" refers to the specific revenue directly generated as a result of the marketing campaign's efforts. To accurately identify this, data analysts employ various attribution methods. For instance, customers who convert after clicking a unique tracking link (like a UTM-tagged URL), using a campaign-specific discount code, ....