Examlex
If a z-score is 0 or near 0, the measurement is located at or near the mean.
Critical Value
A threshold in hypothesis testing that determines the boundary for rejecting the null hypothesis, based on the chosen significance level.
Two-tailed
A test of significance that considers the possibility of both an increase and a decrease in the measured variable, effectively doubling the critical regions for a given alpha level.
Statistical Analysis
A process that involves collecting, interpreting, presenting, and modeling data to uncover patterns or insights.
Research Hypothesis
An assertion or idea that researchers propose and investigate through empirical research, suggesting a potential relationship between variables that can be tested with data.
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