Lesson 1c.03
1c.03 Know reasons for employing judgement sampling or opportunity (convenience) sampling,... Quiz: Pearson Edexcel Statistics, Unit 1
20 questions
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Lesson 1c.03, Know reasons for employing judgement sampling or opportunity (convenience) sampling,...: 20 multiple choice questions for the Pearson Edexcel GCSE Statistics (1ST0), Unit 1: The collection of data, written with Revision Ninja.
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The 20 questions
-
Which sampling method selects people who are easiest to reach?
- Quota sampling
- Random sampling
- Cluster sampling
- Opportunity sampling
-
Which sampling method relies on the researcher choosing representative items?
- Judgement sampling
- Systematic sampling
- Stratified sampling
- Random sampling
-
What is a main advantage of opportunity sampling?
- Covers all groups
- Fully representative
- Quick and cheap
- Completely unbiased
-
What is the main risk of opportunity sampling?
- Too much time
- High financial cost
- Complex calculation
- Selection bias
-
Which sampling method uses fixed numbers of participants in specific categories?
- Quota sampling
- Simple random
- Systematic sampling
- Cluster sampling
-
Which sampling method selects entire subgroups before sampling internally?
- Opportunity sampling
- Cluster sampling
- Judgement sampling
- Quota sampling
-
Which sampling method relies heavily on the researcher choosing typical cases using expertise?
- Random sampling
- Quota sampling
- Cluster sampling
- Judgement sampling
-
What is a major limitation of judgement sampling?
- Complex process
- Researcher bias
- High financial cost
- Large sample size
-
A student surveys their friends in the canteen. What method is this?
- Cluster sampling
- Quota sampling
- Stratified sampling
- Opportunity sampling
-
What is the key risk of choosing shoppers who look typical?
- Non-response error
- Sampling error
- Subjective bias
- Measurement error
-
A quota of 50 men and 50 women is set, and interviewers stop people until the quotas are filled. Which method is this?
- Quota sampling
- Simple random sampling
- Cluster sampling
- Census
-
Six schools are chosen at random from 40, and all pupils in those schools are surveyed. What method is this?
- Opportunity sampling
- Quota sampling
- Judgement sampling
- Cluster sampling
-
Why is opportunity sampling often used in pilot studies?
- Guarantees accuracy
- Provides zero bias
- Covers entire population
- Convenient and fast
-
What is a key disadvantage of cluster sampling?
- High cluster variation
- Equal probabilities
- Low response rate
- High cost
-
Surveying outside one specific shop risks which issue?
- Sampling frame
- Random error
- Response error
- Location bias
-
Why cannot selection probabilities be stated for judgement samples?
- Random start used
- Fixed interval used
- Census required
- Equal chance not used
-
Why is cluster sampling often cheaper than simple random sampling?
- Concentrated fieldwork
- Larger sample size
- Random selection
- Equal probabilities
-
What is the main concern if a quota sample proportions do not match the population?
- Random error only
- Increased sample size
- Introduction of bias
- Elimination of cost
-
What primary risk is introduced when using opportunity sampling?
- Sample bias
- Periodic coincidence
- High financial cost
- Complex calculation
-
Which sampling technique is generally classified as non-random?
- Stratified random
- Quota sampling
- Simple systematic
- Simple random
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