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education/statistics/Sampling.md
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@ -8,3 +8,10 @@
| Sample | A portion or subset of the population | | Sample | A portion or subset of the population |
| Parameter | A number that describes a characteristic of a *population* (*10%* of US senators voted for something) | | Parameter | A number that describes a characteristic of a *population* (*10%* of US senators voted for something) |
| Statistic | A number that describes a *sample* characteristic (*71%* of Americans feel that ...) | | Statistic | A number that describes a *sample* characteristic (*71%* of Americans feel that ...) |
A global consumer survey reported that 6% of US taxpayers used
or owned cryptocurrency in 2020. The US government is
interested in knowing if this percentage has increased. The
University of Chicago surveys 1,004 taxpayers and finds that 13% have used or owned crypto in the past year (2021)
In the above example:
- the population was us taxpayers, the parameter was 6%, the sample was 1004 taxpayers and the statistic was 13%