1 Statistical Literacy In a statistical study what is the difference between an individual and a variable? 2. 1 Statistical Literacy Are data at the nominal level of measurement quantitative or qualitative? 3. 1 Statistical Literacy What is the difference between a parameter and a statistic? 4. Statistical Literacy For a set population, does a parameter ever change? If there are three different samples of the same size from a set population, is it possible to get three different values for the same statistic?
1.
An individual is a member of the population of interest. A variable is an aspect of an individual subject or object being measured.
2.
Qualitative
3.
A parameter is a numerical measurement describing data from a population. A statistic is a numerical measurement describing data from a sample.
4.
Never
5.
Data from samples may vary from sample to sample, and so corresponding sample statistics may vary from sample to sample.
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