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Sampling Techniques Quiz 12 (25 MCQs)

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1. Mrs. Cameron samples her class by splitting the class into two groups, boys and girls and then she picks 3 boys and 3 girls closest to her.
2. Identify the bias:You want to do a study on whether or not the average student at Strasburg experiences too much stress. You decide you want to conduct a face-to-face survey during lunch asking 35 students in line during each lunch. Which type of bias would be most prominent?
3. Mrs. Trahan samples her class by assigning a number to all 35 students, then randomly selecting five students using a random number generator. This is _____ sampling.
4. You assign the students in your class a number and choose 6 numbers from a basket. What sampling method are you using?
5. Decide if computer games are more effective than paper and pencil drills for children learning the multiplication tables. What type of a study is this possible with
6. Identify the sampling design:Student government randomly samples 25 students of each of the four classes (freshmen, sophomores, juniors and seniors).
7. Identify the sampling technique used in the following study:A farmer divides his orchard into 50 subsections, randomly selects 4 and samples all of the trees within the 4 subsections in order to approximate the yield of his orchard.
8. Which question is biased?
9. This type of sampling makes use of blocks or districts as a sampling frame in order to cut down a huge population size.
10. Which of the following is a piece of equipment that can be used to sample the ground invertebrates in a habitat?
11. A quadrat is used to find the _____ of an organism in an area
12. This type of sampling subdivides the population into subpopulations.
13. Involves choosing the respondents of the study on the basis of pre-determined criteria set by the researcher
14. The purpose of selecting a sample using one of these techniques we are learning is _____
15. It has sample intervals.
16. Identify the sampling design:Mr. Rhoades asks his roommate what his favorite TV show is
17. There are N beads in a jar.40 of these beads are black.Julie takes at random a sample of 50 beads from the jar.5 of the beads in her sample are black.Work out an estimate for the value of N.
18. A car salesman records information about the cars he is selling.The colour of each car is _____ data
19. The President of GHC wants to know the average salary of tenured faculty for all the colleges in the University System of Georgia. Fifty tenured faculty from each University System of Georgia college is randomly selected and interviewed.
20. Mr Synowicki samples his class by selecting 5 girls and 7 boys. This type of sampling is called?
21. A student wants to see the average number of hours teenagers exercise each week and asks the girls on the Football team and Tennis team. What is this an example of?
22. This is a reason for sampling which emphasizes on saving time, resources and effort.
23. Which process involves the release of energy from food substances in all living cells?
24. The IRS researcher investigates cheating on income tax reports by surveying all waiters and all waitresses at 35 randomly selected restaurants.
25. Food webs always start with:
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