Key words for GCSE Maths
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probability |
The probability of something is how likely it is to happen.
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qualitative |
Qualitative data is information that describes something.
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quantitative |
Quantitative data is data that can be counted (discrete) or measured (continuous).
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random |
Random sampling is when each piece of data is equally likely to be chosen.
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sampling |
Random sampling is when each piece of data is equally likely to be chosen.
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range |
The range is the difference between the highest and lowest values.
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represent |
If you represent data, it means you display it in a visual way.
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scatter |
A scatter diagram shows the relationship between variables.
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diagram |
A scatter diagram shows the relationship between variables.
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statistic |
A statistic is a piece of data chosen from a sample of data in order to draw a conclusion.
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stratified |
Stratified sampling is used to collect data samples from specific groups in a population. The number of samples collected from each group is proportional to the size of the group.
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survey |
A survey is a way of collecting data.
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table |
A table is a way of visually presenting data in rows and columns.
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tally |
A tally is a way of recording data using dashes.
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time-series |
A time-series is a sequence of data points collected over time and shown in a graph.
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tree |
A tree diagram uses branches to display probability data.
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Venn |
A Venn diagram uses circles to show similarities and differences between sets of data.
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Spelling games using the word list: GCSE Maths: Data 3
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