The mean, standard deviation, and the variance of a population are called population __________

Although Karina was not personally injured in the earthquake, the experience was a terrifying one and her house was badly damaged. She has frequent nightmares about earthquakes, and even when awake she sometimes gets flashes as if she's reliving the experience. The slightest noise or movement around her causes her heart to pound rapidly.

a. generalized anxiety disorder b. panic disorder c. post traumatic stress disorder d. social phobia e. none of the above

Monozygotic twins have 100% genetic overlap, while dizygotic twins carry only 50% genetic overlap.

a. true b. false