Final answer:
The degree to which information includes data about every relevant object or event necessary to make a decision is called completeness of information.
Step-by-step explanation:
The degree to which information includes data about every relevant object or event necessary to make a decision is called completeness of information. Completeness of information refers to the extent to which information is comprehensive and includes all relevant data.
For example, when making a decision about whether to launch a new product, the completeness of information would include data about market demand, competitor analysis, production costs, and customer preferences. Having complete information helps ensure that decision-making is based on a thorough understanding of the situation.