16Hit1600
Information and IdeasVery hardChoosing data that fit a claim about a mismatch

Information and Ideas practice question

A town compared the number of residents in each age group with the number of that age group who use the leisure centre. Age group | Residents | Centre users Under 18 | 4,000 | 1,600 18 to 64 | 12,000 | 2,400 65 and over | 4,000 | 400 The centre's report notes that older residents are the least well served, ____

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

  1. A. with only 10% of those 65 and over using the centre, against 40% of under-18s and 20% of 18-to-64s.Correct
  2. B. since the 18-to-64 group has the most users.
  3. C. because 400 older residents use the centre.
  4. D. as the under-18 and over-65 groups are the same size.

Answer: A. with only 10% of those 65 and over using the centre, against 40% of under-18s and 20% of 18-to-64s.

400/4,000 = 10%; 1,600/4,000 = 40%; 2,400/12,000 = 20%.

Why the other answers are wrong

B. since the 18-to-64 group has the most users.
Counts, not proportions.
C. because 400 older residents use the centre.
A count without the base.
D. as the under-18 and over-65 groups are the same size.
Group size alone.

More Information and Ideas questions

Not affiliated with the College Board. SAT is a trademark of the College Board.