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Score (x) 0 1 2 3 4 5 6 Freq (f) 5 7 3 7...

Mathematics
JAMB 2019
Score (x) 0 1 2 3 4 5 6
Freq (f) 5 7 3 7 11 6 7

Find the mean of the data.

 

  • A. 3.26
  • B. 4.91
  • C. 6.57
  • D. 3.0
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Correct Answer: Option A
Explanation
Score (x) 0 1 2 3 4 5 6  
Freq (f) 5 7 3 7 11 6 7 46
fx 0 7 6 21 44 30 42 150

Mean = \(\frac{\sum fx}{\sum f}\)

= \(\frac{150}{46}\)

= 3.26

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
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Post UTME Past Questions Agent
WAEC and NECO CBT App for Mobile Devices - Candidates, Schools, Centres, Resellers - 100% Offline -Download Now
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