To Discover Whether Residents of a City Are in Favour

Multiple Choice

To discover whether residents of a city are in favour of building a new sports stadium,the team's owner randomly selected and interviewed 500 of the city's 500,000 residents.In this instance,what do we call the 500 people whom the owner interviewed

A)  the representative sample 
B)  the biased sample 
C)  the population 
D)  the dependent variable