1
Q
What are the types of data?
A
Categorical (words/categories), numerical (numbers), primary and secondary
2
Q
What is primary data?
A
Data you physically collected
3
Q
What is secondary data?
A
Data you obtained from another source e.g. Wikipedia
4
Q
What are respondents?
A
People who answer questionnaires
5
Q
How should you avoid bias in a survey?
A
Avoid leading and personal questions
6
Q
What must a survey be?
A
Fair
7
Q
What is population?
A
Every person or item that could be conducted in a survey.
8
Q
What is a sample?
A
When a population is too large for a study, we collect data from some of the members of the population only.
9
Q
What is sample bias?
A
If the samples aren’t random. results could be biased.
Maths
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