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Creado por Isaacs ArtisticDrawings
hace 7 meses
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Learning Objectives - What to get out of this chapter
Understand ‘population’, ’sample’ and ‘census’, and comment on their advantages + disadvantages Understand advantages + disadvantages of ‘Simple random sampling’, ‘Systematic sampling’, ‘Stratified sampling’, ‘Quota sampling’ and ‘Opportunity sampling’ Define qualitative, Quantitative, discrete and continuous data + understand grouped data Understand large data set + how to collect data from it + identify types of data and calculate simple statistics
1.1 - Population and Samples
Population and Samples A Population = A whole set of items that are of interest A Census = measures every member of a population A Sample = measures only a big selected group from a population
1.2 - Sampling
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