So Far This Season, the Average Combined Attendance for the Washington

Multiple Choice

So far this season, the average combined attendance for the Washington Nationals and Baltimore Orioles ranks fourth of the five major league markets with more than one team. Research done by the Washington Post shows attendance in the Baltimore-Washington region trails Los Angeles, New York, and San Francisco-Oakland, but is slightly ahead of Chicago. Which type of data would Major League Baseball be using if it used this research to determine how competition affects attendance figures?

A) convenience
B) primary
C) observation
D) secondary