Since the test compares means, the variable of interest should be continuous (for example, age or weight). Where s is the sample's standard deviation and n is the number of observations in the sample.

In theory, Graph Search makes a ton of sense; in practice, however, Graph Search most likely has a very, very, very long way to go.

What Is a Risk Graph? A risk graph, also known as a profit graph, is a two-dimensional graphical representation that displays the range of profit or loss possibilities for an options trade.

The sensitivity of a diagnostic test is expressed as the probability (as a percentage) that a sample tests positive given that the patient has the disease. The specificity of a test is expressed as ...