Solution

The "Value Field Settings" feature in Excel's Pivot Table functionality is essential for customizing how data is summarized in pivot tables. By right-clicking on a field and selecting "Value Field Settings," users can change the aggregation type, applying calculations like sum, average, or count. This flexibility is crucial in analyzing data from different perspectives without altering the original data set, allowing for rapid insights. "Value Field Settings" is especially valuable for data analysts because it allows multi-layered summaries within a single table, helping to derive insights across categories and metrics in seconds. Option A (Data Filter) is incorrect because filters only limit the displayed data but do not change calculation types. Option C (Data Validation) is incorrect because it’s a tool to restrict the type of data entered, not a summary feature. Option D (Conditional Formatting) is incorrect as it formats cells based on conditions but doesn’t modify pivot calculations. Option E (Slicers) is incorrect because slicers visually filter data but don’t affect calculation methods.