Examlex
The symbols for the sample variance and population variance are ____ and ____,respectively.
Null Hypothesis
A hypothesis that there is no significant difference or relationship between specified populations, which serves as a default position until evidence indicates otherwise.
P-Value
Given that the null hypothesis is presumed correct, it's the likelihood of experiencing test findings that are as extreme or more extreme than actually observed ones.
Test Statistic
A calculated value from sample data, used to decide whether to reject the null hypothesis in the context of a hypothesis test.
Null Hypothesis
In statistical testing, a hypothesis that assumes there is no significant difference or effect, serving as the default assumption to test against.
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