← Mathematics (0580)
Q1 / 5
Classifying data
Higher
2 marks
What is the difference between primary and secondary data?
A
Primary: collected by the researcher directly; Secondary: collected by someone else and re-used
B
Primary = more data; Secondary = less data
C
Primary is always more accurate than secondary
D
Secondary data is collected first, then primary data
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Classifying data — Mathematics (0580) | Smartzi