noun which may take the genitive case particle 'no'
statistical; statistically
Used as a no-adjective to mean 'statistical' or 'statistically', often in formal or technical contexts.
統計上の誤差は避けられない。
Statistical errors are unavoidable.
統計上、このデータは有意である。
Statistically, this data is significant.
Compound of 統計 (statistics) and 上 (suffix meaning 'from the viewpoint of' or 'in terms of').