Edexcel AS Level Maths Statistics
chapter 1 Test Questions Fully Solved.
Population - Answer The whole set of items that are of interest
Census - Answer Observes or measures every member of a population
Advantages of a census - Answer It should give a completely accurate result
Disadvantage of a census - Answer Time consuming and expensive
Hard to process large quantity of data
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
Advantages of a sample - Answer Less time consuming
Fewer people have to respond
Less data than a census
Disadvantage of a sample - Answer The data may not be as accurate
The data may not be large enough toggle information about the population
Sampling Units - Answer Individual units of a population
Sampling Frame - Answer A list of individually named or numbered sampling units
Simple Random Sample - Answer A sample where every sampling unit has an equal chance of
being chosen
Advantages of Simple Random Sample - Answer Free of bias
Easy and cheap to implement
chapter 1 Test Questions Fully Solved.
Population - Answer The whole set of items that are of interest
Census - Answer Observes or measures every member of a population
Advantages of a census - Answer It should give a completely accurate result
Disadvantage of a census - Answer Time consuming and expensive
Hard to process large quantity of data
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
Advantages of a sample - Answer Less time consuming
Fewer people have to respond
Less data than a census
Disadvantage of a sample - Answer The data may not be as accurate
The data may not be large enough toggle information about the population
Sampling Units - Answer Individual units of a population
Sampling Frame - Answer A list of individually named or numbered sampling units
Simple Random Sample - Answer A sample where every sampling unit has an equal chance of
being chosen
Advantages of Simple Random Sample - Answer Free of bias
Easy and cheap to implement
