Loading…
Loading…
Browse key terms and definitions across all GCSE subjects. Search by keyword or filter by subject and exam board.
23,110 key terms
Sample
The group of people included in a piece of research.
Sample
A measurement of a sound wave’s amplitude at a particular moment, stored digitally as a binary value.
Sample
A group selected from a population to provide data about that population.
Sample
A group selected from a wider population for research.
Sample
The smaller group of people selected from a target population to take part in research.
Sample
The people or cases selected for an investigation from a larger group.
Sample
A selected group whose behaviour or responses are studied to learn about a wider population.
Sample bias
An uneven surviving or studied selection of evidence that may not represent the whole society or activity being investigated.
Sample interval
The time between successive sound samples.
Sample mean
The total of the values in a sample divided by the number of values in that sample.
Sample range
The difference between the largest and smallest measurements in a sample.
Sample rate
The number of sound samples taken each second, measured in hertz (Hz).
Sample resolution
The number of bits used to store each sound sample.
Sample size
The number of observations, measurements or participants included in a sample.
Sample size
The number of independent individuals, organisms, objects or samples included in an investigation.
Sample size
The number of independent observations, objects, specimens or experimental units included in an investigation.
Sample size
The number of measurements or distinct items included in an investigation, stated clearly for the context.
Sample size
The number of individuals, locations or observations included in a sample.
Sample size
The number of observations or trials in a sample or experiment.
Sample size
The number of people, items or observations included in a sample.
Sample size
The number of participants in a sample.
Sample space
A collection of all the possible outcomes under consideration.
Sample space
The set of all possible outcomes of a probability experiment.
Sample space diagram
A table that organises possible outcomes, often with one event along the top and another down the side.
Sample space diagram
An organised display of all possible outcomes, often using a grid when combining two experiments.
Sample statistic
A numerical value calculated from sample data, such as a sample proportion or sample mean.
Sampling
Selecting part of a population or area for investigation rather than studying every person or location.
Sampling
Counting a manageable part of a habitat to help estimate what is present in the wider area.
Sampling
Studying a selected group from a population to draw conclusions about the wider population.
Sampling
Taking measurements of an analogue signal's amplitude at regular time intervals to help create a digital representation.
Create a free account to keep every note you open and track your progress.