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Number of patients treated in four weeks — Clinic A: Week1 45, Week2 60, Week3 55, Week4 40. Clinic B: Week1 50, Week2 45, Week3 65, Week4 50. In how many of the four weeks did Clinic B treat more patients than Clinic A?

Competition practiceData & Probability
  • A1
  • B2
  • C4
  • D3

Step-by-Step Solution

Compare the columns: Week1 50 > 45, Week2 45 < 60, Week3 65 > 55, Week4 50 > 40. Clinic B is ahead in 3 of the 4 weeks (even though its four-week total, 210, is only 10 more than Clinic A's 200).
Answer: D) 3

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