Types of data

Types of data

​Level 7 Statistics

There are different types of data

​Categorical Data

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​This is data that can be placed in a category.

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​E.g. 'eye colours of 8C students', 'types of pets of 8C students'

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Quantitative (Numerical) Data

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​This is data expressed in numbers that measure.

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​E.g. 'height of 8C students', 'the number of pets of 8C students'.

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Multiple Choice

What type of data is gained from this question:

'The weight of a litter of puppies at 8 weeks of age?'

• Categorical Data

• Quantitative Data

Multiple Choice

What type of data is gained from this question:

'The number of siblings of 8C students?'

• Categorical Data

• Quantitative Data

​Categorical Data

Nominal Data

• Separates data into more specific categories that don't need an order

• ​e.g. results of a test can be 'pass' or 'fail.

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​Ordinal Data

• ​Groups data into a ranking system

• ​e.g. test results can be grouped by grade: A, B, C, D, E

Multiple Select

What are the two types of categorical data?

• Nominal

• Continuous

• Discrete

• Ordinal

Multiple Choice

Is this data nominal or ordinal?

'Favourite AFL teams of 8C students'

• Nominal

• Ordinal

Quantitative Data

Discrete Data

• Data that can only take certain values

• ​e.g. number of siblings can only be 0, 1, 2, 3 etc. not 1.5

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​Continuous Data

• ​Can be any number (decimals)

• ​e.g. measurements such as height or distance

Multiple Select

What are the two types of quantitative data?

• Nominal

• Continuous

• Ordinal

• Discrete

Multiple Choice

Is this data discrete or continuous?

'Number of animals that 8C students have

• Discrete

• Continuous