사교육에 의존한 정도에서는 전혀 의존하지 않았음을 1점, 매우 의존하였음을 5 점으로 변환하여 그 평균과 표준편차를 제시하였다.
As for the degree of dependence on private education, I didn't depend at all got 1 point, I was very dependent has 5, and the mean and standard deviation were presented.