표본은 목재 생산업으로 등록한 업체를 기준으로 모집단의 권역별 사업체 소재지 비율을 고려하여 3개 권역으로 나누고 수도권 140개, 경상권 30개, 충청/전라권 30개로 배분하였다.
The sample ended up being divided in to three regions, thinking about the ratio of business areas by region, based on the registered timber production business, and was divided into 140 in the metropolitan area, 30 in the Gyeongsang area, and 30 in Chungcheong/Jolla region.