Examlex
A(n) ______sample is one in which every member of a population has an equal chance of being selected for inclusion in the sample.
Test Statistic
A standardized value that is calculated from sample data during a hypothesis test. It is used to determine whether to reject the null hypothesis.
Null Hypotheses
A statement that assumes there is no significant difference or effect in a population, and any observed difference is due to sampling or experimental error.
p-value
A measure used in statistical hypothesis testing to determine the significance of the observed data under a specific hypothesis, often testing if an effect exists.
Standard Deviation
A technique for quantifying the degree of variation or gap among a batch of numbers.
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