本文探討一統計量──相對重要度指數RIi=n ∑ j = 1 (m-R1J+1) / m ∑ i=1 n ∑ j=1 (m-R1J+1) 及其推論,此統計量適用特調查項目呈等級區分的調查。
This paper discussed a statistic - relative importance index RIi = n ∑ j = 1 (m-Rij+1) / m ∑ i=1 n ∑ j=1 (m-Rij+1) and its inferences, for questionnaires requesting respondents to rank items.