random sample

random sample读音音标

英 [ˈrændəm ˈsɑ:mpl]

美 [ˈrændəm ˈsæmpəl]

random sample意思解释

n.

随机抽样调查；

英英释义

n.

a sample in which every element in the population has an equal chance of being selected

a sample grabbed at random

双语例句

用作名词(n.)The opinion poll was based on a random sample of adults.这次民意测验结果是在对成年人的随机抽样调查基础上得出来的。