Examlex
Writing covered calls protects the writer from losses if the price of the underlying stock declines.
One-tail Test
A statistical test where the alternative hypothesis specifies a direction of the tested effect.
Z-test
A statistical method employed to ascertain if there's a difference between the means of two populations when the variances are established and the sample size is significant.
Chi-square Goodness-of-fit
A statistical test that measures how well observed sample data fit the expected distribution from a given hypothesis.
Contingency Table
A type of table in a matrix format that displays the frequency distribution of the variables. It helps in analyzing the relationship between two categorical variables.
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