Topic

Survey Data Interpretation

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Quizzes in Survey Data Interpretation for Graduate

U.S. Economy

What should be checked before treating a small difference in ACS estimates between Georgia communities as meaningful?

Margins of error and statistical uncertainty
Only the number of digits printed
Only the alphabetical order of community names
Only which figure appears first in a table

Correct answer(s):

Margins of error and statistical uncertainty

U.S. Economy

How should a five-year ACS estimate for a Georgia community be interpreted?

As five independent complete censuses
As a pooled period estimate
As a forecast for the following five years
As a count taken only on the final December 31

Correct answer(s):

As a pooled period estimate

U.S. Economy

Why are overlapping five-year ACS periods not independent observations?

They always use different populations by definition
They cover entirely separate time intervals
They contain no sample uncertainty
They share some survey years and observations

Correct answer(s):

They share some survey years and observations