Examlex
What has research shown about how our perception of other people is influenced by their degree of physical attractiveness?
Expected Frequency
The predicted number of times an outcome is expected to occur in a statistical experiment based on the probabilities of all possible outcomes.
Sample Size
The number of observations or data points collected in a sample for the purpose of statistical inference.
Contingency Table
A data table that displays the frequency distribution of variables to analyze the relationship between categorical variables.
Test Statistic
A value calculated from sample data used to make a decision about a hypothesis in statistical testing.
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