THE CORRECT ANSWER IS (A). STATEMENT (1) ALONE SUFFICES TO ANSWER T...

9. The correct answer is (A). Statement (1) alone suffices to answer the question. You

can determine the sum of the numbers in a set by multiplying their average by the

number of terms in the set. The information in statement (1) allows you to calculate the

sum: 9

3

5

5

45. Statement (2) alone provides no information about the values of the

three middle terms and thus is insufficient alone to determine the sum.