Significance
Significant
noun, な adjective
Things that have ideas behind them have significance. In other words, they're significant. Nothing shallow, frivolous, and thoughtless for me, thank you! I only want the significant stuff.
有意 is a formal term most commonly used in academic contexts to refer to statistically significant research results.
This is a jukugo word that uses the on'yomi readings of the kanji. You should be able to read this on your own.
卒論のための研究で、統計学的に有意な値を導けなかったんです。
In the research for my graduation thesis, I was unable to derive a statistically significant result.