首页 / 百科 / 内容详情 具有相同性质或属性的个体所组成的集合称为总体(population),它是指研究对象的全体。 2022-07-21 3次阅读 population 属性 集合 具有相同性质或属性的个体所组成的集合称为总体(population),它是指研究对象的全体。 A.正确B.错误正确答案:A 从总体中抽出若干个体所构成的集合称为样本(sample)。 统计学发展的概貌大致可分为() 猜你喜欢 ()people has the largest population of minority ethnic groups with more than 16 million in China. 英译汉:It is estimated that around 2.8 billion people — nearly percent of the world’s population — use social media regularly. The test for the equality of two population variances is based on the A sample of 400 observations will be taken from an infinite population. The population proportion equals 0.8. The probability th From a population of 500 elements, a sample of 225 elements is selected. It is known that the variance of the population is 900.