Examlex
For a frequency distribution of qualitative data, if the observations can be assigned to only one class, the classes are __________________________.
Critical Value
A point on the scale of the test statistic beyond which we reject the null hypothesis; it's determined by the significance level.
Null Hypothesis
A statement suggesting that there is no significant difference or relationship between specified populations, any observed difference being due to sampling or experimental error.
Null Hypothesis
A statement in statistical hypothesis testing that assumes no effect or no difference between phenomena or populations.
Level of Risk
The probability or chance of experiencing harm or loss.
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