Biostatistics & Research · single question

Five dental students scored 64, 56, 48, 66, and 66 on an exam. What are the median and mean respectively?

  1. Median=64, Mean=60
  2. Median=68, Mean=60
  3. Median=60, Mean=64
  4. Median=64, Mean=68
Show answer and explanation

Correct answer: A. Median=64, Mean=60

  • A. Sorted scores: 48, 56, 64, 66, 66. Median (middle of 5 values) = 64. Mean = (48+56+64+66+66)/5 = 300/5 = 60. Median=64, Mean=60 is CORRECT.
  • B. Median of 68 is incorrect.
  • C. Median of 60 and mean of 64 are both incorrect.
  • D. Mean of 68 is incorrect.

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