Examlex
For internal decision-making purposes, managers may use EBITDA as a substitute for the contribution margin.
Level of Significance
The threshold under which the null hypothesis is rejected in hypothesis testing, usually denoted by alpha.
Critical Value
A threshold or point on the test distribution that defines the boundary or limit for rejecting the null hypothesis in hypothesis testing.
Type II Error
A statistical error that occurs when a null hypothesis is not rejected when it is in fact false.
Null Hypothesis
A statement of no effect or no difference, used as a default assumption in statistical hypothesis testing.
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