2.  Statistics is the collection, analysis, interpretation, presentation, and organization of data.

3. ANALYSE AND INTERPRET DATA 1. Pose questions/ problems 2. Collect data 3. Organise data 4. Represent data 5. Summarise data The statistical cycle

4.  The first stage in the cycle is the questions that will be asked during the study.  The type of question you use will affect the type of data that needs to be collected.  Example: Mr Naphta wants to know what sport learners participate in the school.  Which sport is done by the learner?  Do more male or female learners participate in sport?  Is sport enjoyable for the learner?

5.  Sources of data: Population and samples  Population is the entire group of which data is collected about.  Example: All 659 learners will take the sport survey.  Samples is a collection of people chosen from the population to represent them.  Example: 45 learners from each grade will take part in the survey

6.  DATA COLLECTION INSTRUMENTS:  After choosing a sample or population, the next step is to decide on a appropriate instrument for collecting data.  These instruments include questionnaires, interviews and observations. 1. Questionnaires:  A questionnaire contains a list of questions given to a group to collect data.  Example: Census at school Tick box if you participate in Rugby Netball Hockey Cricket Athletics

7. 2. Interviews:  Interviews take much longer than a questionnaire. Usually happens with one person asking questions to another. 3. Observations:  We can also observe and use that data to record it on a sheet.