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Basic Question 12 of 30
Samuel Student wanted a random sample of 50 students. He decided to choose the first 50 students entering one of the dining halls at a randomly selected time during the dinner hour.
A. Is his sample random? Why or why not?
B. Is his sample representative? Why or why not?
User Contributed Comments 3
| User | Comment |
|---|---|
| dcfa | ambigous, how do we assume that not all students were supposed to come to the dining hall |
| cleopatraliao | random sampling=every one has an equal chance of being picked:) |
| johntan1979 | The explanation given is logical... you can't expect EVERY student to go to the dining hall to eat, in reality. Some may be fasting, or eat at other times. Some richer students would dine at posh restaurants, thus making this a biased sample, since not every student is represented equally. |
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Learning Outcome Statements
compare and contrast simple random, stratified random, cluster, convenience, and judgmental sampling and their implications for sampling error in an investment problem
CFA® 2024 Level I Curriculum, Volume 1, Module 7.