7. Which of the following statements about the U.S. Census is incorrect? A) Administers a detailed questionnaire to a subset of the population B) Attempts to account for every person in the country C) Is called the decennial census and is administered every five years D) Characterizes the population according to demographic variables 8. Cautious use of information from death certificates is warranted because: A) certificates are not available for everyone who dies. B) certificates are often erroneous for date of death and sex. C) cause of death information may not be correct. D) autopsy results are not included. E) All are correct..