When is a sample a better choice than a census?
a. When the population is changing over time.
b. When taking the U.S. Census of the population.
c. When some sampling error can be tolerated.
d. When time is an important factor.
e. Each of these is a reason for taking a sample rather than a census.
Question 2
Which of the following represents an advantage of taking a sample?
a. Less expense than a census.
b. Can be completed in a timely fashion.
c. Testing or measuring is a destructive process.
d. The size of the population is very large.
e. Each of these is an advantage of taking a sample rather than a census.
Abiotic factors influence population densities.
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