Compared to our eyesight, the olfactory system of human beings is rather poorly developed. Despite this comparative limitation, human beings are still able to distinguish well over _________ different odors

Which of these relationships could be assessed most directly by a coefficient of

correlation? (a) between a husband and wife (b) how similar a brother is to his sister (c) between the philosophies of Plato and Aristotle (d) between aptitude test scores and performance on a job in a group of employees (e) between the Magna Carta and the U.S. Constitution

You are looking for a day care for your child. Which of the following is not a necessity for high-quality day care?

a. encouragement of language development b. proper attention to health and safety c. warm and responsive caregivers d. providing nutritious meals for each child