China Naming Network - Eight-character query< - The following surveys are suitable for census method: (　) A. Understand the annual per capita income of residents in Yinzhou District B. Learn about Yinzhou TV's "Weather Forecast"

The following surveys are suitable for census method: (　) A. Understand the annual per capita income of residents in Yinzhou District B. Learn about Yinzhou TV's "Weather Forecast"

A. Understand the annual per capita income of residents in Yinzhou District. There are a large number of people and a heavy workload, which is suitable for sampling surveys, so this option is wrong;

B. Understand the "Weather Forecast" of Yinzhou TV Station The ratings of the census are of little significance and are suitable for sample surveys, so this option is wrong;

C. Understand the failure of mathematics in a middle school in Yinzhou District. The workload is small and non-destructive, so it is suitable for a census. The option is correct;

D. To understand the population flow leaving Yinzhou District on a certain day, the quantity is large and the scope is wide. It is appropriate to use random inspection, so this option is wrong.

So choose: C.

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