Examlex
When real wages are falling, the cost incentive to hire or fire workers is zero and unemployment remains constant.
Sample Size
The number of observations or data points collected in a statistical study, which is crucial for determining the study's accuracy and reliability.
Null Hypothesis
A hypothesis that assumes no statistical significance exists in a set of observations and that any observed difference is due to sampling or experimental error.
Significance Level
The probability of rejecting the null hypothesis in a statistical test when it is actually true, often denoted as alpha and used as a threshold for determining statistical significance.
Null Hypotheses
A statistical hypothesis that assumes no significant difference or effect exists within a set of given observations.
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