Examlex
Discuss the research on the impact of excessive drinking during pregnancy. How does alcohol affect the fetus? Which women are at risk for drinking during pregnancy? What role do cultural norms play in the tendency to use alcohol when pregnant?
Null Hypothesis
A statistical hypothesis that assumes no significant difference or effect exists between certain datasets or parameters.
Alternative Hypothesis
The hypothesis that there is a significant difference between specified populations, any observed difference being due to sampling or experimental error.
Confidence Interval
A range of values that is likely to contain a population parameter with a certain level of confidence.
Null Hypothesis
A default hypothesis that there is no effect or no difference, and the observed outcomes are due to chance; it is the hypothesis tested for possible rejection in statistical analysis.
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