Examlex
Which of the following is correct regarding the issue of employer and union collaboration:
T-statistic
A type of statistic used in hypothesis testing, particularly in situations dealing with small sample sizes or unknown standard deviations, to determine if there is a significant difference between two sets of data.
Null
Often refers to a value of zero in various contexts, such as null pointers in programming or null hypotheses in statistics.
Alpha
A threshold level used in statistics to determine the significance of results, often set at 0.05 or 5%.
Critical Value
A threshold in hypothesis testing that determines whether to reject the null hypothesis, based on the distribution of a test statistic.
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