Describe a scenario where relying solely on quantitative data would fail to provide a complete understanding of a business problem, necessitating qualitative data.

Consider a business problem where a long-standing e-commerce company experiences a sudden and significant decline in its customer repeat purchase rate over a single quarter. Quantitative data, which is numerical and measurable, would immediately reveal this trend. For example, the company’s analytics dashboard would show the exact percentage drop in repeat purchases, the average order value of repeat customers decreasing, and possibly a correlation with specific product categories or customer demographics, such as younger customers showing a steeper decline. It might also show the number of visits to the website remaining stable while conversion to repeat purchases drops, or that specific marketing campaigns aimed at retention are failing to drive purchases. This quantitative data provides the 'what' and the 'how much' of the problem. It indicates the magnitude and scope of the decline, allowing the company to identify affected segments or periods, and track the overall financial impact like reduced revenue from loyal customers. However, relying solely on this quantitative data would fail to provide a complete understanding....