16Hit1600
Information and IdeasVery hardChoosing data that distinguish two explanations

Information and Ideas practice question

A school compared absences before and after it introduced a breakfast club for one year group. Year group | Before | After Year 7 (breakfast club) | 12% | 7% Year 8 (no club) | 11% | 10% The head credits the breakfast club with the fall in Year 7 absence, noting that ____

Which choice most effectively uses data from the table to complete the statement?

  1. A. Year 7's absence fell by 5 points while Year 8's, without the club, fell by only 1.Correct
  2. B. Year 7's absence is now 7%.
  3. C. Year 8's absence fell from 11% to 10%.
  4. D. both year groups' absence fell.

Answer: A. Year 7's absence fell by 5 points while Year 8's, without the club, fell by only 1.

A 5-point fall with the club against 1 without.

Why the other answers are wrong

B. Year 7's absence is now 7%.
One figure.
C. Year 8's absence fell from 11% to 10%.
The control alone.
D. both year groups' absence fell.
True, but hides the contrast.

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