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The stem-and-leaf display shows the marks of 13 candidates in a typing test. What is the median mark?

Competition practiceStatistics
  • A56.5
  • B57
  • C53
  • D60

Step-by-Step Solution

The display already lists the marks in order: 42, 45, 48, 51, 53, 53, 57, 60, … With 13 values the median is the 7th, which is 57. (53 is the mode.)
Answer: B) 57

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