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Edexcel AS Level Maths Statistics
Questions and Expert Answers the
Latest Version
Question: Population
Answer: The whole set of items that are of interest
Question: Census
Answer: Observes or measures every member of a population
Question: Advantages of a census
Answer: It should give a completely accurate result
Question: Disadvantage of a census
Answer: Time consuming and expensive
Hard to process large quantity of data
Question: Sample
Answer: A selection of observations taken from a subset of the population
which is used to find out information about the population as a whole
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Question: Advantages of a sample
Answer: Less time consuming
Fewer people have to respond
Less data than a census
Question: Disadvantage of a sample
Answer: The data may not be as accurate
The data may not be large enough toggle information about the population
Question: Sampling Units
Answer: Individual units of a population
Question: Sampling Frame
Answer: A list of individually named or numbered sampling units
Question: Simple Random Sample
Answer: A sample where every sampling unit has an equal chance of being
chosen
Question: Advantages of Simple Random Sample
Edexcel AS Level Maths Statistics
Questions and Expert Answers the
Latest Version
Question: Population
Answer: The whole set of items that are of interest
Question: Census
Answer: Observes or measures every member of a population
Question: Advantages of a census
Answer: It should give a completely accurate result
Question: Disadvantage of a census
Answer: Time consuming and expensive
Hard to process large quantity of data
Question: Sample
Answer: A selection of observations taken from a subset of the population
which is used to find out information about the population as a whole
, Page | 2
Question: Advantages of a sample
Answer: Less time consuming
Fewer people have to respond
Less data than a census
Question: Disadvantage of a sample
Answer: The data may not be as accurate
The data may not be large enough toggle information about the population
Question: Sampling Units
Answer: Individual units of a population
Question: Sampling Frame
Answer: A list of individually named or numbered sampling units
Question: Simple Random Sample
Answer: A sample where every sampling unit has an equal chance of being
chosen
Question: Advantages of Simple Random Sample
