魏氏智力測驗 標準差的相關文章
魏氏智力測驗 標準差的相關公司資訊
魏氏智力測驗 標準差的相關商品

Normal distribution - Wikipedia, the free encyclopedia
瀏覽:1229
日期:2025-06-14
The parameter μ in this definition is the mean or expectation of the distribution (and also its median and mode). The parameter σ is its standard deviation; its variance is therefore σ 2. A random variable with a Gaussian distribution is said to be normal...看更多