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Information and IdeasHardStatement supported by the data

Information and Ideas practice question

A study measured the average one-way commute, in minutes, for workers in four cities. City A: 22 City B: 41 City C: 35 City D: 27

Which statement is best supported by the data?

  1. A. City B has a longer average commute than any other city listed.Correct
  2. B. City A has the longest average commute of the four.
  3. C. City C's average commute is shorter than City A's.
  4. D. City D's average commute is twice as long as City A's.

Answer: A. City B has a longer average commute than any other city listed.

41 minutes for City B is higher than 22, 35 and 27, so B's commute is the longest of the four.

Why the other answers are wrong

B. City A has the longest average commute of the four.
City A's 22 minutes is the SHORTEST of the four, not the longest.
C. City C's average commute is shorter than City A's.
City C is 35 minutes and City A is 22, so C's commute is longer, not shorter.
D. City D's average commute is twice as long as City A's.
Twice City A would be 44 minutes; City D is 27.

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