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Sampling Techniques Quiz 6 (25 MCQs)

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1. CNN is planning an exit poll in which 100 polling stations will be randomly selected and all voters will be interviewed as they leave the location.
2. A marine biologist wants to estimate the mean size of a specific barnacle on a stretch of rocky shoreline. To do so, she randomly selected twenty plots of 10 cm$^{2}$ and measured the size of every barnacle in each plot. This is an example of a
3. What sampling technique could be used to estimate the number of woodlice in an area?
4. Group the businesses according to type:medical, shipping, retail, manufacturing, financial, construction, restaurant, hotel, tourism, other. Then select a random sample of 10 businesses from each business type. What kind of sampling techniques is this?
5. Ms. Noelle took a proportional number of girls and boys in her class. This type of sampling is called?
6. Surveying the students in one home room is an example of which type of sampling method?
7. Farmer Joe looks at which region on his apple tree farm that each apple tree grows in. He chooses 2 regions and counts the number of apples produced from all of the trees in those regions and uses that estimate to predict the number of apples produced on the whole farm. This is _____ sampling.
8. Which of the following sampling techniques is most at risk of researcher bias?
9. What is the meaning of 86% in normal distribution?
10. What is the name of an animal that is hunted and eaten by other animals?
11. Involves a method where the researchers divides a more extensive population into smaller groups (strata) that usually don't overlap but represent the entire population.
12. Which sampling technique has the lowest attrition rate?
13. A type of probability sampling that allows the researcher to draw more precise conclusions by ensuring that every subgroup is properly represented in the sample
14. It is determined by initial sampling criteria set by the researchers.
15. A statistics professor surveys all of her students to obtain sample data consisting of the number of credit cards each student possesses.
16. The principal groups the grade 7 students according to thebarangay where they live. She randomly picks a barangay and all of thestudents living in that barangay answer the questionnaire. Which randomsampling technique does she apply?
17. If a researcher places an advert on a notice board asking people to reply it they would like to take part in a memory experiment, Which sampling technique would have been used?
18. A teacher puts students' names in a hat and chooses without looking to get a sample of 33 students. What kind of sampling technique is used?
19. In a Gallop Poll of 1059 adults, the interview subjects were selected by using a computer to randomly generate telephone numbers that were then called.
20. Mrs. Sampling samples her class by selecting 5 girls and 7 boys. This type of sampling is called?
21. Before a nation wide election, a polling place was trying to see who would win. Which choice best represents the POPULATION being studied?
22. Members of the population are ordered so every n-th member is chosen.
23. What type of sampling is this? A journalist interviews all 123 people after they leave a restaurant and asks them how confident they are that the food is safe.
24. _____ is when the researcher selects respondent whom he feels possesses certain characteristics that represent the population of interest based on his experiences.
25. What is a suitable way to sample plants in a field?
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