On an exam with ? = 52, you have a score of X = 56 . Which value for the standard deviation would give you the highest position in the class distribution?

Because the current life expectancies are probably close to the biological limit for humans, some feel the overriding goal of geronotology should be to

a. ease the transition from home life to nursing home living for older adults. b. help older people accept the inevitability of decline and negative quality of life. c. increase the biological limit for the human lifespan. d. increase the number of older years that are vigorous and healthy.

An example of a biological event that follows a circadian rhythm is ________

a. the migration of birds. b. the female menstrual cycle. c. body temperature. d. daydreaming.