Statistics is the collection, organisation, presentation and analysis of numerical data.
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What is Qualitative data?
Qualitative data is not numerical
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What is quantitative data?
Quantitative data is when the data is numerical.
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What is discrete data?
Discrete data is only certain values for example the amount of people with shoe size 9
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What is continous data?
Continuous data is a set of data that can fall within any value of a given range for example length, width etc
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What type of data do discrete and continous apply
Quantitative data
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What is random sampling?
Random sampling gives every member of the population (set of all possible items observed) an equal chance of being picked e.g. picking somnething out of a hat.
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What is stratified Sampling?
Stratified Sampling is where the population is split up into strata (sub groups)
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