A boxplot is better than a statistic such as the mean when your purpose is
a. to describe the central tendency of a population.
b. to describe the variability of a population.
c. to understand what a distribution of data looks like.
d. It is only worthwhile if you care only about medians.
C
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Which of the following is true of Fechner??
a. ?He taught at Leipzig. b. He developed the notion of the pleasure principle.? c. ?He seriously damaged his eyes by looking at the sun through colored glasses. d. ?He was "cured" of some symptoms by eating spiced raw ham soaked in Rhine wine and lemon juice. e. ?All of the choices are correct.
Dr. Chu reports that "mental patients are no more dangerous than other people.". What does research suggest about the doctor's statement? a. Research shows that there is no correlation between mental patients and dangerousness
b. Research shows that patients are considerably more dangerous than others in the population. c. Research shows that individuals with dual diagnoses are slightly more dangerous than other patients. d. Research shows that mental patients are actually less dangerous than are others in the population.
The tendency to perceive objects, or figures, on some background is known as ___________
a) figure–ground relationships b) closure c) similarity d) proximity
Paz just ate some salty popcorn. Now she is experiencing an increase in the concentration of sodium in her _____.
A. extracellular fluid B. intracellular fluid C. ventricles D. hypothalamus