【多选题】systematic sampling 又称为:
【判断题】广义的税法是指国家立法机关或其授权指定的税收法律。
【单选题】Which of the following statements describes the definition of systematic sampling?
A.
Every nth number of the population is selected
B.
Every element of one definable sub-section of the population is selected
C.
Each element of the population has an equal chance of being chosen
D.
This method needs investigating prior information in advance
【简答题】听下面一段对话,回答第1-3小题。 1. What is the probable relationship between the speakers? A. Friends B. Classmates C. Co-workers 2. What does the man like to do? A. To cycle. B. To garden. C. To climb mountains. 3...
【多选题】Which of the following statement about systematic sampling is/are true?
A.
Sample members are selected from the sampling frame according to a random starting point and a fixed, periodic interval.
B.
The interval, called the sampling interval Kth, is calculated by dividing the population size N, by the desired sample size n. Kth=N/n
C.
The starting point can be obtained in a lottery method.
D.
The starting point can be obtained by using a random number table.
E.
It is a method belonging to non-probability sampling.
【单选题】用电动吸引器吸痰时 , 每次吸痰的时间通常是
【单选题】既可以分割冲突域又可以分割广播域的设备是
【判断题】歌德电子书借阅机后台统计网址gede.5reader.com?