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National saving equals
Upper Tail Area
Upper tail area refers to the region in the tail of a probability distribution, beyond a certain point, used to calculate probabilities in related statistical tests.
Level of Significance
A threshold in hypothesis testing, denoted by alpha, that determines the probability of rejecting a true null hypothesis, often set at 0.05 or 5%.
Testing
The process of evaluating a system or its component(s) with the intent to find whether it satisfies the specified requirements or not.
Null Hypothesis
A statistical hypothesis that suggests there is no significant difference between specified populations, any observed difference being due to sampling or experimental error.
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