population - full group from which data is wanted to be collected, sample - subset of the population that is representative, numerical data - data with numbers, categorical data - data with categories or groups, primary data - data collected by the person or group that will use the information for themselves, secondary data - data collected by someone else or another group, or from the internet/newspapers, surveys - method of collecting data/information from a particular group and the results recorded, questionnaires - series of questions designed to get data from people or group, bias - when statistics don't provide an accurate representation of a population or if leading questions are used etc, simple random survey - every member of the population has the same chance of being chosen,

Collecting Data JC

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