【单选题】要从正态总体中随机抽取一个n=25的随机样本,计算得到样本均值为17.样本方差为8,假定总体方差为10,要检验H0:σ2= σ 0 2 ,则检验统计量的值为
【判断题】From the examples shown in chapter 13, an acronym is a word formed by combining the last letters of a few related words.
【单选题】从正态总体中随机抽取一个n=25的随机样本,计算得到x-bar=17, =8,假定 =10,要检验假设 H 0 : = ,则检验统计量的值为
【单选题】从正态总体中随机抽取一个n=25的随机样本,计算得到x-bar=17, =8,假设 =10,要检验假设 H 0 : = ,则检验统计量的值为
【简答题】Hadoop集群可以运行的3个模式是什么?
【单选题】Which of the following is not an object according to the definition in chapter 13?
【判断题】Chapter 3: An automated system is a system that must implement control tasks with the direct involvement of a person.
【简答题】列出3种平台中的分组方式( ), ( ), ( )。
【单选题】This is an interesting novel ______ the last chapter.