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An experiment by Bernstein and his colleagues showed that men will crowd into a small viewing cubicle next to an attractive woman to view a film when different movies are being shown in two viewing rooms but will go to a separate cubicle when only one film is available for viewing. An explanation for this finding is that:
Standard Error
A statistical measure that shows the precision of a sample's mean estimate of a population mean.
Sampling Variability
The variability of sample statistics over different samples of the same size from the same population, due to chance.
SRS
Simple Random Sampling (SRS) is a method of selecting individuals from a population in such a way that every set of individuals has an equal chance of being chosen.
Sample Size
The number of observations or data points that constitute a sample drawn from a population for statistical analysis.
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