A. Let’s Sample! Direction: Determine if the following situations use random or non-random sampling. Then, identify what type of random or non-random sampling technique was used. Sample Answer: Random - Stratified 1. Every tenth person boarding a plane is searched thoroughly. 2. There are 30 freshmen, 20 sophomores, 10 juniors, and 5 seniors enrolled in a certain course. Samples are to be taken from their total number of students per year level. 3. Minority group of senators are to be interviewed. 4. Every five files out of 500 files will be chosen. 5. Animals going astray are to be observed. 6. Two thousand respondents nationwide, from regions down to Barangays are selected for national election survey. 7. Five hundred “likes” in Facebook are used as basis for making A decision. 8. Selected respondents for a study are those with Acquired Immune Deficiency Syndrome (AIDS). 9. Ten names of students were picked out from a box containing 1000 names written in rolled paper. 10. Respondents are chosen from a list in the telephone directory. Every 11th name was picked.
A. Let’s Sample!
Direction: Determine if the following situations use random or non-random sampling.
Then, identify what type of random or non-random sampling technique was used.
Sample Answer: Random - Stratified
1. Every tenth person boarding a plane is searched thoroughly.
2. There are 30 freshmen, 20 sophomores, 10 juniors, and
5 seniors enrolled in a certain course. Samples are to be
taken from their total number of students per year level.
3. Minority group of senators are to be interviewed.
4. Every five files out of 500 files will be chosen.
5. Animals going astray are to be observed.
6. Two thousand respondents nationwide, from regions down to
Barangays are selected for national election survey.
7. Five hundred “likes” in Facebook are used as basis for making
A decision.
8. Selected respondents for a study are those with Acquired
Immune Deficiency Syndrome (AIDS).
9. Ten names of students were picked out from a box containing
1000 names written in rolled paper.
10. Respondents are chosen from a list in the telephone directory.
Every 11th name was picked.
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