# Australian Bureau of Statistics

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 Understanding statistics

 Module 2: Describing, Clarifying and Presenting Data Lesson 1. Introduction to module 1.1 Revision 1.2 Outcomes Lesson 2. Characteristic, variable and measurement 2.1 The relationship between characteristic and variable 2.1.1 Ensuring a valid relationship between a characteristic and a variable 2.1.2 Making sure variables are valid 2.1.3 Selecting an appropriate variable to measure a characteristic 2.2 Ensuring measurements are valid, reliable and unbiased 2.3 Scales of measurement 2.4 Discrete and continuous variables Lesson 3. Data display 3.1 Tables and graphic displays 3.2 The features of a good table 3.3 The features of a good graphic display 3.4 Selecting the appropriate type of graphic display 3.5 Reading a graphic display Lesson 4. Summarising data 4.1 Measuring the centre of a distribution 4.2 Appropriate use of mean, median and mode 4.3 Identifying an outlier 4.4 Describing the spread of the distribution of data 4.5 Describing the shape of distributions End Notes Source Materials