SAT II Math II : Representing Data

Study concepts, example questions & explanations for SAT II Math II

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Example Questions

Example Question #1 : Representing Data

Graph_2

The above graph represents the results of a general election for mayor of Kingston. 

If 1,658 people voted for Carson, then which comes closest to the number of people who voted for Franklin?

Possible Answers:

Correct answer:

Explanation:

The ratio of Franklin's percent of the vote to Carson's is the same as the number of votes for Franklin to those for Carson. From the information in the graph, setting  to the number of votes for Franklin, 

Multiply both sides by 1,658 and solve:

The closest estimate would be 3,600 votes.

Example Question #2 : Representing Data

Graph

The above graph represents the results of a general election for mayor of Kingston. 

If 8,349 people voted, which of the following numbers is closest to the number of voters who did not vote for the winning candidate?

Possible Answers:

Correct answer:

Explanation:

The four wedges representing the four nonwinners - all except the largest wedge, which is green - together make up slightly more than half the circle. 55% is a good estimate, and 55% of 8,349 is equal to 

The best estimate of the given choices is 4,600.

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