Which of the following statements represents a trend supported by the data in the bar graph? Both party caucuses in the House consisted of more moderate members in 2012 than in 2002.
The number of House members between the most liberal Republican and the most conservative Democrat decreased between 1982 and 2012.
The party caucuses in the Senate are more ideologically diverse than those in the House of Representatives.
The Republican caucus consisted of more ideologically conservative members in 1982 than in 2012.