Which One of the Following Statements Is False

Multiple Choice

Which one of the following statements is false?

A) If the economist wants to examine the distribution of income in 1987, time-series data should be used.
B) If the economist wants to examine the relationship between advertising expenditures and sales during 1987, cross-section data is used.
C) If the economist wants to examine the effect of intellectual ability upon earnings, cross-section data could be used.
D) If the economist wants to forecast gross national product based upon observations from previous years, time-series data should be used.