Examlex
If Maria helps another person with the sole goal of increasing his or her welfare, and expects nothing from the other person in return, then she is said to be engaging in ____.
Population Size
The total number of individuals or units in the population being studied.
Population Parameter
A numerical value that describes a characteristic of an entire population.
Sample Statistic
A sample characteristic, such as a sample mean x, a sample standard deviation s, a sample proportion p, and so on. The value of the sample statistic is used to estimate the value of the corresponding population parameter.
Simple Random Sample
A segment of a statistical population where every individual in the segment is equally likely to be selected.
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