古詩詞大全網 - 四字成語 - which of the following are true statements?

which of the following are true statements?

對稱直方圖可以有多個峰

bell-shaped 不是科學的描述,只是對形狀的直觀感覺。二次函數也可以說是bell-shaped,所以不壹定是normal curve

this is the true statement

關於“?bell-shaped curve不是本來就symmetric嗎”

bell-shaped curve 在不同語境(教材)下有不同的定義,比如我可以認為chi-squared?

distribution 也是bell-shaped curve,但是它不對稱。但無論妳定義中的bell-shaped curve是否對

稱,都不影響2錯3對。

normal curve的定義,就是gaussian function:? http://en.wikipedia.org/wiki/Gaussian_function