Which of the following symbols identifies the sample variance?

Martin refuses to leave his house because he believes that his body odor is toxic to those around him. Martin's behavior is an example of

A) statistical deviance. B) personal distress. C) a maladaptive behavior. D) All of these.

Which of the following is NOT a disorder discussed in your text as being linked to a certain gene location?

A) fragile X mental retardation B) hemophilia C) Huntington's disease D) fetal alcohol syndrome