What might cause a bar chart to show incorrect data after a calculated field is created for order dates?

The choice indicating that an incorrect field type for date formatting could cause a bar chart to show incorrect data is valid because data representation is highly contingent on the correct identification and formatting of data types. If the order date is not formatted correctly as a date field, the visualization engine may misinterpret these values, leading to inaccurate representations on the bar chart.

For instance, if dates are treated as strings instead of date objects, comparisons or calculations based on these dates might yield erroneous results, skewing the displayed information on the chart. As a consequence, the aggregation of data tied to these incorrectly typed fields may also be flawed, resulting in misleading visualizations.

The other potential causes, such as an unlinked data source, an incomplete data load process, or improper aggregation of data, can also lead to incorrect data displays but aren't directly tied to the creation of a calculated field for order dates specifically. Instead, they influence the overall integrity and availability of the dataset being used but may not exclusively stem from the processed calculations involving the date.