Final answer:
The statement that a Boolean function can be used to validate data is True. Boolean functions are logical operations that return true or false and are extensively used in programming for data validation tasks.
Step-by-step explanation:
The statement, "Often a Boolean function can be used to validate data," is True. Boolean functions are logical operations that return either true or false and are often used in programming to carry out data validation. For instance, checking if the input data meets certain criteria, fits within specified ranges, or matches a particular pattern can be achieved through Boolean functions. For example, a Boolean function can assess whether the number of shoes owned by a person is a positive integer (validating the data type).
Boolean functions, leveraging basic operators like AND, OR, and NOT, help in validating both qualitative and quantitative data. For instance, verifying whether the type of car you drive is in a list of allowed values or whether the number of correct answers on a quiz falls in the range of 0-20 are both tasks that can be accomplished using Boolean logic.
By using Boolean logic in conjunction with data types, one can ensure that both discrete and continuous quantitative data, as well as qualitative data, are correctly validated before being processed or analyzed further.