Lesson S1.1.1
S1.1.1 Population, sample, census and sampling methods Quiz: Pearson Edexcel Maths, Unit 11
20 questions
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Lesson S1.1.1, Population, sample, census and sampling methods: 20 multiple choice questions for the Pearson Edexcel Maths (9MA0), Unit 11: Statistical sampling, written with Revision Ninja.
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The 20 questions
-
What term describes the complete set of all items or people of interest?
- Database
- Sample
- Population
- Census
-
What term describes a selection of observations taken from a subset of the population?
- Population
- Sample
- Survey
- Census
-
What method involves observing or measuring every single member of a population?
- Census
- Pilot study
- Random sample
- Quota survey
-
What is a major advantage of taking a census instead of a sample?
- Completely accurate
- Cheaper cost
- Faster results
- Easily managed
-
What is a primary disadvantage of conducting a census?
- Time consuming
- High bias
- Low accuracy
- Small data size
-
Which sampling method gives every sample of size n an equal chance of selection?
- Stratified
- Opportunity
- Simple random
- Quota sampling
-
When using a sampling frame for random sampling, what does each individual item need?
- Postal address
- Equal weighting
- A unique number
- Stratum tag
-
What sampling method divides the population into mutually exclusive groups and samples proportionally?
- Random
- Systematic
- Cluster
- Stratified
-
If a population has 200 males and 300 females, how many males are sampled in a 50-person stratified sample?
- 25
- 20
- 15
- 30
-
Which sampling method selects members at regular intervals from an ordered list?
- Systematic sampling
- Quota sampling
- Random sampling
- Cluster sampling
-
What is a key risk when using systematic sampling with periodically recurring data?
- Complex maths
- Higher cost
- Incomplete frames
- Introduction of bias
-
Which sampling method relies on choosing people who are easiest to reach?
- Opportunity sampling
- Quota sampling
- Systematic
- Stratified
-
Which sampling method involves a researcher interviewing people with specific assigned frequencies?
- Stratified
- Simple random
- Systematic
- Quota sampling
-
Why might data collected from an opportunity sample be unreliable?
- It is random
- It is exhaustive
- SampleSize is large
- It is biased
-
What is a key difference between quota sampling and stratified random sampling?
- Data type
- Use of strata
- Non-random selection
- Sample size
-
What do we call the list of all sampling units in a population?
- Sampling frame
- Data matrix
- Population map
- Survey register
-
Which data type is collected directly from the units of a population?
- Census data
- Grouped data
- Primary data
- Secondary data
-
What type of data is gathered from books, websites, or previous official statistics?
- Sample data
- Primary data
- Secondary data
- Raw data
-
If a sample size is 30 from a population of 300, what is the sampling fraction?
- 30%
- 3%
- 10%
- 1%
-
Which term describes a characteristic of a population, such as its mean?
- Sample value
- Parameter
- Variable
- Statistic
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