Module 2 - Describing, Clarifying and Presenting Data

1. INTRODUCTION TO MODULE 2

1.1 Revision
1.2 Outcomes

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 continous variables

3. DATA DISPLAYS

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

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