A pattern in a times-series model that occurs over a duration of more than a year iscalled a ___________ variation May 11, 2021 by admin Question: A pattern in a times-series model that occurs over a duration of more than a year iscalled a ___________ variation A. trend B. seasonal C. cyclical D. regressive Answer» c. cyclical Note: The above multiple-choice question is for all general and Competitive Exams in India.