A researcher discovers two drugs that lower anxiety in agitated patients.However,one drug consistently lowers anxiety by moderate amounts,whereas the second sometimes lowers it by large amounts,sometimes has no effect,or may even increase anxiety in some patients.Although there is not an overall difference in the average (mean)amount of anxiety reduction,an important difference does exist between the two drugs.This difference would best be shown by using

Question

Quizplus · Accepted Answer

Measures of variability, such as standard deviation or range, would best show the difference between the two drugs as it takes into account the varying degrees of anxiety reduction and the spread of the data. Measures of central tendency, frequency distributions, and graphical statistics would not capture this important difference.

A Researcher Discovers Two Drugs That Lower Anxiety in Agitated