Question 1
Select the sample most representative of the population of interest.
A local TV station wanted to report average gasoline prices in the early summer of 2000 in Illinois.
◦ Prices reported by the first 30 callers to respond to a request for the last price paid for gasoline
◦ Prices reported by 30 gasoline stations uniformly distributed throughout the viewing area
◦ Prices reported by 30 gasoline stations uniformly distributed throughout the state
◦ Prices reported by the station employees
Question 2
Select the sample most representative of the population of interest.
A college student who does laundry infrequently wants to determine the effect of blueing on what should be white clothes.
◦ Two loads of wash, one personal, one of a friend, the blueing assigned by a coin flip
◦ Reports of two friends, one of whom was given blueing
◦ Two loads of personal wash, one with, one without blueing
◦ The reports of an internet chatroom on laundry techniques
Representative chromosomal landscapes
HIV Population Worldwide
Sample equipment maintenance log.
Projections of the Racial-Ethnic Makeup of the U.S. Population
World Population Growth
Determine the nominal annual rate of interest of the following ordinary general annuity.