The use of a smoothing technique is appropriate when / » Quantitative Methods for Economic Analysis 1 solved MCQs / By admin Question: The use of a smoothing technique is appropriate when A. random behaviour is the primary source of variation B. seasonality is present C. data exhibit a strong trend D. all of the above are correct Answer» a. random behaviour is the primary source of variation Note: The above multiple-choice question is for all general and Competitive Exams in India.