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05 Dec 2024, 01:30
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Difficulty:
25%
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Question Stats:
79% (01:31) correct
21%
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A = {10, 4, 7, 18}
B = {x, 10, 4, 7, 18, 25}
If the median of list B is exactly 4 higher than the median of list A, what is the value of x?
A. 12.5
B. 15
C. 18
D. 24
E. 25
B = {x, 10, 4, 7, 18, 25}
If the median of list B is exactly 4 higher than the median of list A, what is the value of x?
A. 12.5
B. 15
C. 18
D. 24
E. 25
05 Dec 2024, 05:25
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Median of A = 10+7/2 = 8.5
Median of B = 8.5 + 4 = 12.5
B = {4, 7, 10, 18, 25, x}
Even set of numbers so 12.5*2 = 25
Middle two terms should amount to 25
so x can only be 15
Median of B = 8.5 + 4 = 12.5
B = {4, 7, 10, 18, 25, x}
Even set of numbers so 12.5*2 = 25
Middle two terms should amount to 25
so x can only be 15
05 Dec 2024, 05:53
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Median of A= \(8.5\)
Median of B= \(8.5+4=12.5\) ....x will be in between \(10\) and \(18\)
\(B = {4,7,10,x,18,25}\)
Hence, \(\frac{x+10}{2}=12.5\)
\(x=15\)
I think B.
Median of B= \(8.5+4=12.5\) ....x will be in between \(10\) and \(18\)
\(B = {4,7,10,x,18,25}\)
Hence, \(\frac{x+10}{2}=12.5\)
\(x=15\)
I think B.
