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seven-zhu · 2021年07月14日

NO.PZ2020033001000005

NO.PZ2020033001000005

问题如下:

Which of the following purposes is the QQ (quantile-quantile) plot best used to achieve?

选项:

A.

Test whether the empirical distribution satisfies the normal distribution.

B.

Test whether the empirical distribution satisfies the lognormal distribution

C.

Identifying an empirical distribution from a theoretical distribution.

D.

Identifying a theoretical distribution from an empirical distribution

解释:

C is correct.

考点:Quantile-Quantile Plots

解析:QQ图的作用,如果是线性的,the specified distribution fits the data

specified distribution 是指empirical distribution吗

1 个答案

品职答疑小助手雍 · 2021年07月14日

嗨,努力学习的PZer你好:


我觉得不用按解析的意思一步一步翻译,知道QQ图本身是检验一组数据和常规的某个分布(比如正态)一不一致就可以了。

按照解析这个意思,感觉是在说检验一种分布(常规分布,比如正态)适不适合来解释一组数据。

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虽然现在很辛苦,但努力过的感觉真的很好,加油!

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