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FRM二級考試：關(guān)于頻率分布的例題解析！

發(fā)布時間：2021-03-17 09:13編輯：融躍教育FRM

頻率分布是指在統(tǒng)計分組的基礎(chǔ)上，將總體中各單位按組歸類整理，按一定順序排列，形成的總體中各單位在各組間的分布。在FRM二級考試中，關(guān)于頻率分布的例題有什么？下文是例題解析，一起了解一下！

Which of the following is false regarding frequency distributions of operational risk events and severity distributions of operational risk events? They:

A) Can be combined in a process known as convolution.》》》點(diǎn)擊領(lǐng)取2021年FRM備考資料大禮包（戳我免費(fèi)領(lǐng)?。?/strong>

B) Generally follow the same distribution.

C) Can help the analyst ascertain the cause of operational losses.

D) Must account for interdependencies when aggregating across many processes.

答案：B【資料下載】點(diǎn)擊下載GARP官方FRM二級練習(xí)題

解析：Total risk is composed of frequency and severity.APoisson distribution is frequently assumed for the distribution of operational risk event frequency. The severity of each event often follows a different distribution, such as a lognormal.

These distributions can be combined into a single operational loss distribution in a process known as convolution. Separating losses into likelihood and severity allows the analyst to determine whether operational losses stem from low frequency high severity events or high frequency low severity events and aids diagnosis. If this analysis is repeated for multiple processes in the firm, which is necessary to estimate total operational risk using a bottom-up approach, then the analyst must consider correlations among the different processes.

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