Examlex
A(n) ________ Web site does little more than provide information about the business and its products.
Null Hypothesis
The default hypothesis that there is no effect or no difference, and any observed effect is due to sampling variability.
Type I Error
The probability of rejecting the null hypothesis when it is actually true, also known as a false positive.
Type II Error
A statistical mistake of failing to reject a false null hypothesis; also known as a false negative.
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