Examlex
suppose the variable x represents students, F(x) means "x is a freshman," and M(x) means "x is a math major." Match the statement in symbols with one of the English statements in this list:
1. Some freshmen are math majors.
2. Every math major is a freshman.
3. No math major is a freshman.
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Test Statistic
A value, derived from sample data, used in hypothesis testing to determine whether to reject the null hypothesis.
Rejection Region
The range of values for which the null hypothesis is rejected in hypothesis testing.
Wilcoxon Signed-Rank Test
A non-parametric statistical test used to compare two related samples to determine if their population mean ranks differ.
Nonparametric Method
Statistical methods that are not based on parametric assumptions about the distribution of the population.
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