Examlex
The ____ index measures the aggregate return for the 30 largest industrial firms in the United States.
Null Hypothesis
A statement of no effect or no difference, used as a starting assumption for statistical significance testing.
Grand Mean
The mean of means, calculated by taking the average of several group means.
Completely Randomized
A design in experiments where all subjects have an equal chance of being assigned to any group or treatment.
Factorial Design
An experimental strategy used to test the effect of two or more variables across multiple levels simultaneously.
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