In which of the following situations is a census preferred over a sample? A stud
ID: 3131306 • Letter: I
Question
In which of the following situations is a census preferred over a sample?
A study on the number of people in each household in Alaska
A study on the average lifetime of electric bulbs manufactured by a company
A study on the average lasting of a concrete trade of batteries
A study on the percentage of Spanish population that has access to internet
A study on the success rate of a particular drug
a.A study on the number of people in each household in Alaska
b.A study on the average lifetime of electric bulbs manufactured by a company
c.A study on the average lasting of a concrete trade of batteries
d.A study on the percentage of Spanish population that has access to internet
e.A study on the success rate of a particular drug
Explanation / Answer
Note that a census includes all the members of the population.
Hence, as we want to be as accurate as possible on the number of people in each household, then
OPTION A: A study on the number of people in each household in Alaska [ANSWER]
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In all the other choices, it is more practical to simply sample than do a census, as it is impractical and expensive to do a cencus for those.