Question 27

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waecmaths question: 

The scores of twenty students in a test are as follows 44, 47, 48, 49, 50, 51, 52, 53, 53, 54, 58, 59, 60, 61, 61, 63, 65, 67, 70, 73, 75. Find the third quartile

Option A: 

62

Option B: 

63

Option C: 

64

Option D: 

65

waecmaths solution: 

$\begin{align}  & \text{The numbers of terms }=20 \\ & \frac{3}{4}\times (n) \\ & \frac{3}{4}\times (20)=15th\text{ term} \\ & \text{The 15th term is 63} \\\end{align}$

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