Answer
The variable collected is "use of herbal medicines before surgery," and the data is qualitative.
Work Step by Step
This is qualitative because it cannot be expressed as a numerical value.
You need to log in to continue
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.