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If 5, 8, 6 and 2 occur with frequencies 3, 2, 4 and 1 respectively....

Mathematics
JAMB 2007

If 5, 8, 6 and 2 occur with frequencies 3, 2, 4 and 1 respectively. Find the product of the modal and the median number

  • A. 36
  • B. 48
  • C. 30
  • D. 40
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Correct Answer: Option A
Explanation

Arrange in ascending order
2, 5, 5, 5, 6, 6, 6, 6, 8, 8
Position of median = N/2 = 10/2 = 5th and 6th
∴Median = (6+6) / 2 = 12/2 = 6
Mode the item that repeats itself most = 6
∴Product of modal and median number = 6 x 6 = 36

There is an explanation video available below.


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Explanation Video

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Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
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WAEC and NECO CBT Software for Computers and Laptops - Candidates, Schools, Centres, Resellers - 100% Offline -Download Now
WAEC and NECO CBT App for Mobile Devices - Candidates, Schools, Centres, Resellers - 100% Offline -Download Now
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
Post UTME Past Questions Agent