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26 Oct 2021, 04:15
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Difficulty:
25%
(medium)
Question Stats:
82% (02:16) correct
18%
(01:54)
wrong
based on 121
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Not Attempted Yet
4, 2, 15, 8, x, y
The data set above contains two unknown values, x and y, where x ≤ y. If the mean of the data set is 8 and the median is 7, what is the value of y?
(A) 12
(B) 13
(C) 15
(D) 18
(E) 19
The data set above contains two unknown values, x and y, where x ≤ y. If the mean of the data set is 8 and the median is 7, what is the value of y?
(A) 12
(B) 13
(C) 15
(D) 18
(E) 19
26 Oct 2021, 04:53
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Median 7 and Mean 8 would imply x + y = 48 - 29 = 19
The placement of x and y becomes
2, 4, x, 8, y, 15
Now x + 8 = 7 x 2 => x = 6
x + y = 19 => y = 13.
Option B
The placement of x and y becomes
2, 4, x, 8, y, 15
Now x + 8 = 7 x 2 => x = 6
x + y = 19 => y = 13.
Option B
25 Mar 2023, 00:09
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sanjitscorps18
I did not understand how have you arranged x and y.
git until x + y = 19.
remaining arranging the sequence i have not understood.
