In the event that you are collecting data on how heights relate to income in the U.S. population and you notice that in your sample of 1,500 individuals you have a data gap at 5'6", will this cause an identification problem?
A) No, because this data gap does not exist in the population.
B) Yes, but you can still interpolate the data gap.
C) Yes, but you can still extrapolate the data gap.
D) No, because data gaps cannot cause identification problems.

Question

Quizplus · Accepted Answer

A data gap in a sample does not necessarily cause an identification problem if the gap does not exist in the population, as the overall relationship can still be estimated using the rest of the data.

In the Event That You Are Collecting Data on How