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Data and its collection
Know the definitions of the following terms: population, sample, census, and representative sample.
6
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60
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42
Questions
90 min
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CambridgeIGCSEStatisticsData and its collection
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Data and its collection outcomes6 objectives
- Know the definitions of the following terms: population, sample, census, and representative sample.
- Recognize the characteristics of various sampling methods, including the necessity of a sampling frame except in quota sampling.
- Acknowledge that certain sampling techniques may introduce bias, such as selecting the first 10 individuals arriving at school for a transport survey.
- Utilize a random number table to choose a simple random sample, systematic sample, or stratified sample, as defined by the problem, and determine if a sample is representative of specific strata.
- Understand the role of open and closed questions in surveys, including their respective advantages and disadvantages.
- Categorize data into the following types: qualitative, quantitative, discrete, and continuous.
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DefineStateDescribeIdentifyCommentExplainShowDetermineSummarise
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