Examlex
Eight-year-old Elizabeth has unusual facial features and has exceptional difficulty learning and remembering the basics of reading, writing, and math. Without knowing anything else about Elizabeth, you might wonder if she has:
Two-Sided Hypothesis
A hypothesis test that allows for an effect in two directions, either greater than or less than a specific value, not limiting the expected effect to one direction.
Null Hypothesis
A stated hypothesis that there is no significant difference or effect, often denoted as H0, to be tested against the alternative hypothesis.
Type I Error
The incorrect rejection of a true null hypothesis or a false positive in hypothesis testing.
Type II Error
The mistake of failing to reject a null hypothesis when it is actually false, commonly represented by the symbol β (beta).
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