SYc · 2023年12月02日
NO.PZ2018062016000037
问题如下：
Which of the following statements is most correct regard to sample?
选项：
A.all the organisms of the same group or species
B.a subset of a population
C.a characteristic of a population
解释：
B is correct. A sample is a subset of a population.
正确答案这句话在教材哪里
NO.PZ2018062016000037 问题如下 Whiof the following statements is most correregarto sample? A.all the organisms of the same group or species B.a subset of a population C.a characteristic of a population B is correct. A sample is a subset of a population. A为什么错呢
请问这道题C为什么不对呢，样本不是应该能代表总体特征的吗？
