Australian Bureau of Statistics

Rate the ABS website
ABS Home
ABS @ Facebook ABS @ Twitter ABS RSS ABS Email notification service
Understanding statistics
 



Statistical Language helps you to understand a range of statistical concepts and terms with simple explanations.


Find concept definitions:

Explore a concept:

Image: What are Data?What are Data?
- Data unit
- Data item (variable)
- Observation
- Dataset
Image: Quantitative and Qualitative DataQuantitative and Qualitative Data
- Quantitative data
- Qualitative data
Image: What are Variables?What are Variables?
- Variable (data item)
- Numeric
- Continuous
- Discrete
- Categorical
- Ordinal
- Nominal
Image: What is a Population?What is a Population?
- Population
Image: Census and SampleCensus and Sample
- Census
- Sample
- Random (probability) sample
- Non-random (non-probability) sample
Image: Data SourcesData Sources
- Direct/Primary data
- Survey
- Indirect/Secondary data
- Administrative data
Image: Describing FrequenciesDescribing Frequencies
- Absolute frequency
- Relative frequency
- Ratio
- Rate
- Proportion
Image: Frequency DistributionFrequency Distribution
- Frequency distribution
- Histogram
- Bar chart
Image: Pictures of ShapeMeasures of Shape
- Measures of shape
- Normal distribution
- Skewness
Image: Measures of Central TendencyMeasures of Central Tendency
- Mode
- Median
- Mean
- Outlier
Image: Measures of SpreadMeasures of Spread
- Range
- Quartiles
- Interquartile range
- Variance
- Standard deviation
Image: Types of ErrorTypes of Error
- Sampling error
- Non-sampling error
Image: Measures of ErrorMeasures of Error
- Standard error (SE)
- Relative error (RE)
- Confidence interval
Image: What are Statistics?What are Statistics?
- Descriptive (summary) statistics
- Inferential statistics
Image: What are StandardsWhat are Standards?
- Statistical standard
- Classification
Image: What is Metadata?
What is Metadata?
- Metadata
Image: Data VisualisationData Visualisation
- Static
- Dynamic
- Interactive
Image: Time Series Data
Time Series Data
- Original time series
- Seasonally adjusted time series
- Trend series
Image: Estimate and ProjectionEstimate and Projection
- Estimate
- Projection
Image: Correlation and CausationCorrelation and Causation
- Correlation
- Causation (Causality)
Image: ConfidentialityConfidentiality
- Confidentiality




Commonwealth of Australia 2008

Unless otherwise noted, content on this website is licensed under a Creative Commons Attribution 2.5 Australia Licence together with any terms, conditions and exclusions as set out in the website Copyright notice. For permission to do anything beyond the scope of this licence and copyright terms contact us.