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Find the median of: , 25, 30, 35, 40 with frequencies 5, 10, 9, 4, 2.

Competition practiceStatistics
  • A25
  • B30
  • C27.5
  • D28

Step-by-Step Solution

; cf: 5, 15, 24, 28, 30. The 15th value is 25 and the 16th is 30, so median .
Answer: C) 27.5

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