It is estimated that what percent of adolescent females in the U.S. have anorexia nervosa?

As discussed in the text, a popular term often used to refer to psychotherapy is

a. talk therapy. b. verbal therapy. c. psychoanalysis. d. psychological therapy. e. psychodynamic therapy.

In statistics, a symmetrical, bell-shaped polygon is called a/an

a. histogram. b. bimodal distribution. c. percentile. d. normal curve.