Examlex
Which of the following statements is true about programmed decisions?
Test Statistic
A test statistic is a standardized value that is calculated from sample data during a hypothesis test. It's used to determine whether to reject the null hypothesis.
P-Value
The likelihood of obtaining results from a test that are at least as significant as those observed, on the premise that the null hypothesis is valid.
Null Hypothesis
A default hypothesis that there is no significant difference or effect, typically to be tested against an alternative hypothesis.
P-Value
The probability of observing test results at least as extreme as the results actually observed, assuming that the null hypothesis is true.
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