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Information and IdeasVery hardReading a table of gym membership retention

Information and Ideas practice question

Members of a gym who joined in January, and how many remained at year end Joining offer | Joined | Still members in December No offer | 300 | 180 First month free | 900 | 360 A manager argues that the free-month offer brought in many members who did not stay, supporting the claim with the observation that ____

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

  1. A. only 40% of those who joined with a free month were still members in December, compared with 60% of those who joined without an offer.Correct
  2. B. 900 people joined with the free-month offer.
  3. C. 360 members who joined with the offer remained in December, twice as many as remained from the no-offer group.
  4. D. 180 of the no-offer joiners stayed.

Answer: A. only 40% of those who joined with a free month were still members in December, compared with 60% of those who joined without an offer.

Retention rates, compared.

Why the other answers are wrong

B. 900 people joined with the free-month offer.
The 'brought in many' half only.
C. 360 members who joined with the offer remained in December, twice as many as remained from the no-offer group.
Absolute numbers favour the offer, which is the opposite of the claim.
D. 180 of the no-offer joiners stayed.
One group only.

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