Examlex
Which statement is true?
Z Test Statistic
A statistic that measures the difference between the observed value and the hypothesized population mean in units of the standard deviation.
Null Hypothesis
Refers to a statement or assumption that there is no difference or effect, used as a starting point for statistical testing to be challenged by the alternative hypothesis.
Level Of Significance
The threshold used in statistical tests to decide whether an observed effect is considered statistically significant.
P-Value
A statistical metric that helps you determine the significance of your research results, essentially telling you how likely your data would have occurred by random chance.
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