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忒弥斯的蒙眼布 · 2022年01月12日

老师这道题不太明白

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.

麻烦解释一下,谢谢,是不是哪个知识点没学习到
1 个答案

星星_品职助教 · 2022年01月12日

同学你好,

题目中的概率可以在0和1之间任意取,所以为连续型数据。

可以直接排除用于分类排序的ordinal data和离散型的discrete data

可对应学习基础班的这个部分。

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