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The cumulative frequency curve above shows the distribution of the scores of 50 students in...

Mathematics
JAMB 2009

The cumulative frequency curve above shows the distribution of the scores of 50 students in an examination. Find the 36th percentile scores?

  • A. 18%
  • B. 28%
  • C. 36%
  • D. 50%
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Correct Answer: Option B
Explanation

 the 36th percentile i.e. 36% of the total frequency of 50.

\(\frac{36}{100}\) \(\times\) 50 = 18

= From the graph, 18 on the vertical axis corresponds to28 on the horizontal axis.

\(\therefore\) P\(_{36}\) = 28%

There is an explanation video available below.


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Explanation Video

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