Examlex
In the U.S. ,only women of very low status are subjected to spousal abuse.
Null Hypothesis
A statement or assumption that there is no significant difference or effect, acting as the default position that is tested against the alternative hypothesis.
Type I Error
The error that occurs when a true null hypothesis is incorrectly rejected, commonly referred to as a "false positive."
Alpha (α)
A threshold value used in statistics that represents the probability of incorrectly rejecting a true null hypothesis (Type I error).
P-value
The probability of observing a statistical summary (for example, the difference in means between two groups) at least as extreme as the one observed, under the assumption that the null hypothesis is true.
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