1. A scientist testifying before a congressional hearing on the effects of estrogenic pesticides told every man in
the room that he “is half the man his grandfather was.” The scientist was dramatizing a report on
worldwide studies involving 14,847 men, over many different years and in many countries, that showed male
semen concentrations have dropped approximately 50% over the past 50 years.
– Identify the population, statistical population, sample and statistical sample.