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Nicole Xiang · 2023年07月21日

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NO.PZ2021061603000004

问题如下:

A fixed-income analyst uses a proprietary model to estimate bankruptcy probabilities for a group of firms. The model generates probabilities that can take any value between 0 and 1. The resulting set of estimated probabilities would most likely be characterized as:

选项:

A.ordinal data

B.discrete data

C.continuous data.

解释:

C is correct. Continuous data are data that can be measured and can take on any numerical value in a specified range of values. In this case, the analyst is estimating bankruptcy probabilities, which can take on any value between 0 and 1. Therefore, the set of bankruptcy probabilities estimated by the analyst would likely be characterized as continuous data. A is incorrect because ordinal data are categorical values that can be logically ordered or ranked. Therefore, the set of bankruptcy probabilities would not be characterized as ordinal data. B is incorrect because discrete data are numerical values that result from a counting process, and therefore the data are limited to a finite number of values. The proprietary model used can generate probabilities that can take any value between 0 and 1; therefore, the set of bankruptcy probabilities would not be characterized as discrete data.

老师,题目里公司数量应该是有限的呀,所以每个公司对应一个probablity的呀

1 个答案

星星_品职助教 · 2023年07月22日

同学你好,

题干描述为概率可以取0和1之间的任意值。即无论是取多少个公司,数量是否有限,在取之前都不能确定这个公司的值是0-1之间的哪一个。由于0-1之间的个值是无限的,所以是连续型。

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NO.PZ2021061603000004麻烦一下,谢谢,是不是哪个知识点没学习到

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