What is a key characteristic of a statistician?

A key characteristic of a statistician is their focus on working with numerical data. Statisticians gather, analyze, interpret, and present quantitative data to help make informed decisions or understand patterns within that data. Their expertise lies in utilizing mathematical theories and methods to analyze datasets, drawing conclusions, predicting trends, and supporting decision-making processes in various fields, such as healthcare, business, and social sciences.

In contrast, the other options highlight activities that do not align with the primary functions of a statistician, such as analyzing narrative texts or specializing in historical events, both of which involve qualitative analysis rather than the quantitative analysis that statisticians are trained to perform. Creating visual arts is also unrelated to the field of statistics, which is primarily concerned with numerical analysis and data interpretation.