Science Quiz / S2 (Maths A Level) Definitions

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Can you name the S2 (Maths A Level) Definitions?

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Normal Goes to...
A set of chosen members of a population
When a sample is not truly representative of the population, there is...
Individual units (members) of a sample
Where it's impossible to know the exact number of members
This causes uncertainty; 2 samples differ due to this between their members'
A variable that can only have certain values, usually integers
Quantity calculated solely from observations in a sample, with no unknown parameters
Measurable quantity of a population
An investigation using a sample
HintAnswer
A list of all sampling units used in practice to represent a population
The type of investigation where information is obtained from all members of a population
A collection of individual people or items
Poisson Goes to...
Where members can be numbered and counted
THIS of a statistic gives all values of a statistic and the probability that each would happen by chance alone
A variable that can take any value, usually in a given range
Binomial Goes to...
A statistic that comes from a test
A sample of size n is taken so every possible sample (of size n) has an equal chance of being selected

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