Secondary Data Flashcards

GCSE Mathematics (Edexcel) 1MA1

Secondary data

Data that has been collected by someone else, not the person using it.

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Secondary data

Data that has been collected by someone else, not the person using it.

Examples of secondary data

Census data, government reports, newspapers, and online databases.

Advantages of secondary data

It is often quicker and cheaper to obtain than primary data.

Disadvantages of secondary data

It may not be reliable, accurate, or relevant to the specific investigation.

Reliability of secondary data

Secondary data may be biased or outdated, so its reliability should be checked.

Relevance of secondary data

Secondary data may not be specific to the question or problem being investigated.

Primary vs Secondary data

Primary data is collected first-hand by the user, while secondary data is collected by someone else.

Sources of secondary data

Books, websites, surveys conducted by others, and official statistics.

Using secondary data in statistics

Secondary data can be used to save time when conducting statistical analysis.

Checking secondary data

Always check the source, date, and purpose of secondary data to ensure it is suitable for use.

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