Examlex
Which of the following policies were NOT enacted during the George W. Bush presidency?
P-value
The probability of observing a statistic as extreme as, or more extreme than, the observed results under the null hypothesis.
Null Hypothesis
A statement asserting there is no significant difference or effect, which researchers aim to test against alternative hypotheses.
Significance Tests
Statistical tests used to determine whether there is enough evidence in a sample of data to infer that a certain condition holds for the entire population.
Alternative Hypothesis
A statement that contradicts the null hypothesis and is tested to determine if the null hypothesis can be rejected.
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