Producing Data

3. Sources of data

3.2 Generating your own data

3.2.2. Generating data from observations

v. Using samples

From a sample you can generate what we call a statistic, i.e. a measurement on the sample. A sample can tell us something about a population.

Figure 2 - The relationship between sample, population and statistics

A statistic, such as the mean or the standard deviation for the sample, allows us to make inferences about the mean or standard deviation for the population.

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