Figure 11.4 Is Clear That

Figure 11.4 is clear that

A) members of both houses of Congress are regularly challenged through competitive races for their seats.
B) Senators are reelected at a higher rate, on average, as members of the House of Representatives.
C) Senators are reelected at the same rate, on average, as members of the House of Representatives.
D) members of the House have a higher reelection rate, on average, than Senators.
E) neither set of incumbents for both house of Congress have a measurable advantage.