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A union is an employee organization that has the main goal of representing its members in employee-management negotiation concerning job-related issues.
Test Statistic
A value calculated from sample data, used to decide whether to reject the null hypothesis in a statistical test.
Critical Value
The threshold value that a test statistic must exceed for the null hypothesis to be rejected in hypothesis testing.
Type I Error
The incorrect rejection of a true null hypothesis, also known as a false positive.
Type II Error
The error of failing to reject a false null hypothesis, also known as a false negative.
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