Examlex
If there are 120 values in a data set, how many classes should be created for a frequency histogram?
Decision Maker
An individual or group responsible for making choices after evaluating options, considering consequences, and selecting the best course of action.
Null Hypothesis
A statement for a statistical test that proposes there is no effect or no difference, serving as the default assumption to test against.
Alternative Hypothesis
A statistical hypothesis that contradicts the null hypothesis, suggesting there is an effect or a difference.
One-tailed Test
A statistical test where the region of rejection is on only one side of the sampling distribution.
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