16Hit1600
Expression of IdeasEasy–MediumReporting a result

Expression of Ideas practice question

While researching a topic, a student has taken the following notes: - A school tried two lengths of lunch break. - With a 30-minute break, 40% of pupils reported feeling rushed. - With a 45-minute break, 12% reported feeling rushed. - The longer break shortened the afternoon by 15 minutes.

The student wants to report the effect of the longer break on pupils feeling rushed. Which choice most effectively uses relevant information from the notes to accomplish this goal?

  1. A. Lengthening the lunch break from 30 to 45 minutes cut the share of pupils who felt rushed from 40% to 12%.Correct
  2. B. The school tried two lengths of lunch break.
  3. C. The longer break shortened the afternoon.
  4. D. Twelve percent of pupils felt rushed.

Answer: A. Lengthening the lunch break from 30 to 45 minutes cut the share of pupils who felt rushed from 40% to 12%.

Both figures and the change between them.

Why the other answers are wrong

B. The school tried two lengths of lunch break.
Setup, no result.
C. The longer break shortened the afternoon.
A side effect, not the reported effect.
D. Twelve percent of pupils felt rushed.
One figure can't show a change.

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