判断题:分类变量具有数值特征,可以对其数据进行数学运算。( ) 题目分类:统计基础理论及相关知识 题目类型:判断题 查看权限:VIP 题目内容: 分类变量具有数值特征,可以对其数据进行数学运算。( ) 答案解析:
根据以下资料,回答题。 The winter in Iceland has been one of the worst 根据以下资料,回答题。The winter in Iceland has been one of the worst ever.An animal that 分类:统计基础理论及相关知识 题型:判断题 查看答案
证券投资是指投资者(法人或自然人)购买( ),以获取红利、利息及资本利得的投资行为和投资过程。 证券投资是指投资者(法人或自然人)购买( ),以获取红利、利息及资本利得的投资行为和投资过程。A.股票 B.债券 C.彩票 D.有价证券的衍生品 分类:统计基础理论及相关知识 题型:判断题 查看答案
There are some new books in the school library.They are __ b There are some new books in the school library.They are __ books.A.child B.chi 分类:统计基础理论及相关知识 题型:判断题 查看答案
The population of the world has grown very fast __ four hund The population of the world has grown very fast __ four hundred years.A.for pas 分类:统计基础理论及相关知识 题型:判断题 查看答案