Examlex
It is riskier to buy an option than to write an option.
Type II Error
Failing to detect an effect or difference that exists because the null hypothesis was incorrectly accepted.
α
Alpha (α) is a threshold value used in hypothesis testing to determine the significance level at which the null hypothesis can be rejected.
Effect Size
A numeric evaluation of the size of the effect observed in an experiment.
T-statistic
A type of statistic used in hypothesis testing, derived from the standardized difference between a sample statistic and its hypothesized population value, divided by the standard error.
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