Examlex
Discuss how an effective sales message can provide an incentive for quick action.
Null Hypothesis
A hypothesis that assumes no significant difference or relationship exists in the general population from which a sample is drawn.
Variance
A measure of the dispersion of a set of data points around their mean; the square of the standard deviation.
Level of Significance
The probability threshold below which the null hypothesis is rejected in hypothesis testing, typically denoted by alpha (α).
Null Hypothesis
A statement that there is no effect or no difference, and it serves as the default or starting assumption in hypothesis testing.
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