Lesson 2.01c
2.01c Sampling techniques: Sampling techniques (2.01c) Quiz: OCR Maths, Unit 11
20 questions
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Lesson 2.01c, Sampling techniques: Sampling techniques (2.01c): 20 multiple choice questions for the OCR Maths (H240), Unit 11: Statistical Sampling, written with Revision Ninja.
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The 20 questions
-
In simple random sampling, what probability of selection does each population member have?
- Equal chance
- Zero chance
- Proportional chance
- Increasing chance
-
Which sampling method selects individuals who are available and convenient at the time?
- Systematic sampling
- Simple random sampling
- Stratified sampling
- Opportunity sampling
-
Which sampling method selects every kth member from an ordered list?
- Opportunity sampling
- Quota sampling
- Systematic sampling
- Stratified sampling
-
Which sampling technique divides a population into mutually exclusive subgroups first?
- Opportunity sampling
- Simple random sampling
- Systematic sampling
- Stratified sampling
-
Which sampling method randomly selects whole pre-existing groups from a population?
- Stratified sampling
- Opportunity sampling
- Systematic sampling
- Cluster sampling
-
Which non-random sampling method fills fixed quota targets for specified categories?
- Simple random sampling
- Stratified sampling
- Quota sampling
- Systematic sampling
-
What complete list of a population is required to perform simple random sampling?
- Sample size
- Strata table
- Quota matrix
- Sampling frame
-
A teacher surveys students who sit near the front of the room. Which technique is this?
- Opportunity sampling
- Systematic sampling
- Simple random sampling
- Stratified sampling
-
Every 20th customer on a list is selected, starting from a random point among the first 20. Which technique is this?
- Cluster sampling
- Quota sampling
- Simple random sampling
- Systematic sampling
-
A stratified sample of 15 from 60 students (40 Year 12, 20 Year 13) includes how many Year 12s?
- 12
- 10
- 8
- 5
-
A council picks 4 of 30 schools at random and surveys all Year 11 pupils in them. Which technique is this?
- Opportunity sampling
- Cluster sampling
- Stratified sampling
- Quota sampling
-
An open voluntary online poll suffers primarily from which type of bias?
- Self-selection bias
- Systematic bias
- Measurement error
- Observer bias
-
An interviewer must find 20 women and 20 men over 60 without random selection. Which technique is this?
- Quota sampling
- Cluster sampling
- Systematic sampling
- Simple random sampling
-
What sampling issue occurs when a sampling frame omits part of the target population?
- Measurement error
- Overcoverage
- Non-response bias
- Undercoverage
-
To take a simple random sample using random numbers, what must be assigned to each item?
- Category label
- Quota allocation
- Weighting factor
- Unique number
-
Which sampling technique guarantees that population subgroups are represented proportionally?
- Quota sampling
- Cluster sampling
- Opportunity sampling
- Stratified sampling
-
A systematic sample takes 1 in 5 from a list of 120. How many members are sampled?
- 25
- 600
- 24
- 20
-
Which sampling method selects entire naturally occurring groups at random from a population?
- Systematic sampling
- Cluster sampling
- Quota sampling
- Stratified sampling
-
Systematic sampling is most susceptible to bias when the sampling frame contains what?
- Duplicate items
- Numerical ordering
- A periodic pattern
- Random ordering
-
In quota sampling, non-random selection of participants by an interviewer introduces what?
- Non-response bias
- Sampling frame error
- Interviewer bias
- Measurement bias
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