Why do we collect data and then what do we do with that information?
S&P-DA6.2: Statistics & Probability (Data Analysis) Data Collection Methods: Select justify and use appropriate methods of collecting data, including: questionnaires, experiments, databases, electronic media.
Questionnaire to obtain data: - What do you hope to learn from asking the questions? - What is the objective of your data? Types of questions: Open Ended: these can be answered any way person wishes Example: What is your favourite colour? Closed Ended: answers are provided - the data from these questions are easier to tabulate Example: Do you like blue or red?