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Which of the following medications helps to block an allergic reaction?
Significance Level
A predetermined threshold for determining statistical significance in hypothesis testing, typically set at 0.05, which represents the risk of committing a Type I error.
T-statistic
A ratio of the departure of an estimated parameter from its notional value and its standard error.
Directional Hypothesis
A hypothesis that specifies the direction of the expected difference or relationship between variables.
Null Hypothesis
A default statement that indicates no effect or no difference, used as a starting point for statistical hypothesis testing.
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