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1b.04 Primary and secondary data — Edexcel Statistics 1ST0 | GradeGen
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Statistics
Edexcel GCSE Statistics
The collection of data
Types of data
Primary and secondary data
Edexcel GCSE Statistics · 1ST0
Primary and secondary data
What you need to know
Understand the fundamental differences between primary data and secondary data.
Evaluate the respective advantages and disadvantages of utilising primary data versus secondary data in an investigation.
Assess the reliability and accuracy of specific data sources, accounting for issues such as rounding errors.
Recognize the possible logistical or legal constraints involved in accessing certain types of secondary data.
Revision notes
1
Primary and secondary data
6 key terms
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Previous subtopic
Explanatory and response variables
Next topic: Population and sampling
Population and sample frames
