HELP ME!!!!!!!!!!
shortly before a 1992 mayoral election, a local radio station conducted a internet survey of voters. Based on the results of the survey,the radio station predicted that the Democratic candidate would beat the republican candidate by a landslide.
In fact, exactly the opposite happened. The trouble with the surveys was that the radio station was largely liberal,and few Republicans visited the Web site. This is an classical example of an error in which phase of inferential statistics
A)Data Analysis
B)Data Gathering
C)Data Organization
D) Probability-based inference

Question

HELP ME!!!!!!!!!!
shortly before a 1992 mayoral election, a local radio station conducted a internet survey of voters. Based on the results of the survey,the radio station predicted that the Democratic candidate would beat the republican candidate by a landslide. 
In fact, exactly the opposite happened. The trouble with the surveys was that the radio station was largely liberal,and few Republicans visited the Web site. This is an classical example of an error in which phase of inferential statistics
A)Data Analysis   
B)Data Gathering 
C)Data Organization 
D) Probability-based inference