作為 さくい抽出 ちゅうしゅつじゃありませんでした
musakuichūshutsujārimasendeshita

Noun
Desu Copula

The polite, past negative form of 無作為抽出

1. Was not a random selection.; Was not done without intention.

Past/Perfective
Negative
Polite
Terminal Form
Statistics