你还在为考试焦头烂额?找我们就对了!

我们知道现在是考试月,你正在为了考试复习到焦头烂额。为了让更多留学生在备考与学习季更轻松,我们决定将Gold会员限时免费开放至2025年12月31日!原价£29.99每月,如今登录即享!无门槛领取。

助你高效冲刺备考!

题目
题目

MGS*2150*W07 final- Requires Respondus LockDown Browser

单项选择题

Which one is true?

选项
A.As the sample size increases to be big enough, the sample can always provide reliable information about the population (infinite number of elements) of interest.
B.Cluster sampling generally requires a smaller total sample size than simple random sampling.
C.None of the other three.
D.Convenience sampling is a probability sampling technique.
查看解析

查看解析

标准答案
Please login to view
思路分析
Let’s examine what each statement is claiming and test it against standard sampling principles. Option 1: "As the sample size increases to be big enough, the sample can always provide reliable information about the population (infinite number of elements) of interest." This is overly optimistic. Even with large samples, there are issues like sampling bias, nonresponse, and m......Login to view full explanation

登录即可查看完整答案

我们收录了全球超50000道考试原题与详细解析,现在登录,立即获得答案。

类似问题

Question at position 26 Each of the 30 NBA teams has 14 players. A sample of 60 players is to be chosen as follows. Each team will be asked to place 14 cards with its players' names into a hat and randomly select two names. The two names from each team will be combined to make up the sample. Will this method result in a simple random sample of 60 NBA players?Yes, because each player has the same chance of being chosenNo, because this is a cluster sampleNo, because this is a blocked sampleYes, because each team is equally representedNo, because this is a stratified sample

Question at position 21 During the morning announcements, students are asked to go out and vote for this year's Homecoming queen. At lunch, booths are set up for the students to fill out a ballot and place their ballot in the collection box. The student with the most votes wins. This is what type of sampling strategy?Voluntary ResponseStratifiedConvenienceSRSCluster

Question at position 25 As a political psychologist, Dr. Carr is investigating voting behaviors in rural areas. They create a list of all registered voters and select every 15th person on the list to participate in the study. This method is an example of:Systematic samplingSimple random samplingStratified samplingCluster sampling

Question at position 7 Dr. Sean is studying the effectiveness of a mobile mental health app across entire China. They randomly select 10 states, then within each state randomly select 5 hospitals, and finally sample 20 patients from each hospital who used the app. What sampling method is being used?c) Multistage samplingd) Convenience samplinga) Simple random samplingb) Stratified random sampling

更多留学生实用工具

为了让更多留学生在备考与学习季更轻松,我们决定将Gold 会员限时免费开放至2025年12月31日!