What-If Analysis is a decision-making tool used to evaluate the potential outcomes of different scenarios. It allows individuals and organizations to explore how changes in variables can impact results. For example, a business might use this analysis to see how altering prices or costs could affect profits. This technique is commonly applied in fields like finance, project management, and data analysis. By adjusting inputs and observing the effects, users can make informed choices and better understand risks. Overall, What-If Analysis helps in planning and forecasting by providing insights into possible future events.