Primary Data Flashcards

GCSE Mathematics (Edexcel) 1MA1

Primary Data

Data collected directly by the person or organisation for a specific purpose.

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Terms in this set (10)

1

Primary Data

Data collected directly by the person or organisation for a specific purpose.

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Secondary Data

Data that has been collected by someone else and is used for a different purpose.

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Advantages of Primary Data

It is specific to the purpose of the investigation and is more reliable.

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Disadvantages of Primary Data

It can be time-consuming and expensive to collect.

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Examples of Primary Data

Surveys, questionnaires, interviews, and experiments.

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Quantitative Data

Data that is numerical and can be measured or counted.

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Qualitative Data

Data that is descriptive and non-numerical, such as opinions or categories.

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Population in Data Collection

The entire group of individuals or items being studied.

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Sample in Data Collection

A smaller group selected from the population to represent it.

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Bias in Data Collection

A systematic error that makes the data unrepresentative of the population.

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