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Expression of IdeasMediumSynthesis: a commuter survey and who was left out

Expression of Ideas practice question

While researching a topic, a student has taken the following notes: - 1,200 commuters were surveyed. - 45 percent said they would use a new train line. - The survey was conducted at the existing railway station. - Commuters who drive were not surveyed.

The student wants to present the finding while noting who was left out. Which choice most effectively uses relevant information from the notes to accomplish this goal?

  1. A. Of the 1,200 commuters surveyed, 45 percent said they would use a new train line, but the survey was conducted at the existing station and did not include commuters who drive.Correct
  2. B. Most commuters would use a new train line.
  3. C. The survey was conducted at the railway station.
  4. D. 1,200 commuters were surveyed.

Answer: A. Of the 1,200 commuters surveyed, 45 percent said they would use a new train line, but the survey was conducted at the existing station and did not include commuters who drive.

The figure, and the missing drivers.

Why the other answers are wrong

B. Most commuters would use a new train line.
Overstates and omits the gap.
C. The survey was conducted at the railway station.
The gap without the finding.
D. 1,200 commuters were surveyed.
The sample size alone.

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