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6 marksStatistical Inferences

CSEC Mathematics · May/June 2004 · Paper 2 · Question 3(b)(ii)

In a beauty contest, the scores awarded by eight judges were: 5.9, 6.7, 6.8, 6.5, 6.7, 8.2, 6.1, 6.3.

Only six scores are to be used. Which two scores may be omitted to leave the value of the median the same?

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Other parts of this question

  1. 3(a)(i)Draw a Venn diagram to represent this information.[5 marks]
  2. 3(a)(ii)How many members play both tennis and cricket?[5 marks]
  3. 3(b)(i)a)Using the eight scores, determine the mean.[6 marks]
  4. 3(b)(i)b)Using the eight scores, determine the median.[6 marks]
  5. 3(b)(i)c)Using the eight scores, determine the mode.[6 marks]

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