wangxiaomin 2024-04-19 08:53
致精进的你:
同学,是Chapter 5 Summarising and analysing data-Dispersion中Standard deviation (σ)和The variance is the square of the standard deviation (σ²).知识点。variance=σ²=0.6*0.6。
The real talent is resolute aspirations.
真正的才智是刚毅的志向。