Examlex
How can a researcher try to address the problem of confounding variables when designing an observational study?
Null Hypothesis
The default assumption in statistical analysis that there is no significant difference or effect.
Mean Age
The average age of all individuals in a specific group, calculated by adding their ages together and dividing by the number of individuals.
Null Hypothesis
A statement or idea that posits no statistical significance or effect in a given set of observations, used as a starting point for testing.
Condensed Form
A representation of information or a work that has been shortened or summarized, focusing on essential elements.
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