Examlex
Given that the probability distribution is normal, it is completely described by its mean μ > 0 and its standard deviation σ > 0.
Level of Significance
A threshold used in hypothesis testing that determines the probability of wrongly rejecting a true null hypothesis.
T-test
A statistical method employed to ascertain whether there's a notable difference in the average values of two distinct groups.
Null Hypothesis
A statement positing that there is no significant difference or relationship between specified populations, any observed difference being due to sampling or experimental error.
Probability
A measure of the likelihood that an event will occur, quantified between 0 and 1, where 0 indicates impossibility and 1 indicates certainty.
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