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Set A = {3, 1, 7, 5, 11, x} If the median of Set A above is
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07 Jun 2017, 01:47
07 Jun 2017, 01:47
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Question Stats:
21% (01:52) correct
78% (01:44) wrong based on 103 sessions
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Set A = {3, 1, 7, 5, 11, x}
If the median of Set A above is one less than the mode of Set A, which of the following is a possible value of x ?
A) 3
B) 5
C) 6
D) 7
E) 9
Re: Set A = {3, 1, 7, 5, 11, x} If the median of Set A above is
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25 Sep 2017, 06:30
25 Sep 2017, 06:30
2
The set is 1 3 5 7 11 X. Then, we know that X is such that the median is one minus the mode of the set. My strategy is to do an easy substitution and check which of the choice is ok
- X = 3: median is 3+5/2 = 4 while the mode is 3, then the median is larger than the mode -> NO
- X = 5: median is 5+5/2 = 5 while the mode is 5, then the median is equal to the mode -> NO
- X = 6: median is 5+6/2 = 5.5. while the mode is whatever element of the set -> NO
- X = 7: median is 7+5/2 = 6 while the mode is 7. Then the median is one minus the mode. -> ANSWER D!
- X = 3: median is 3+5/2 = 4 while the mode is 3, then the median is larger than the mode -> NO
- X = 5: median is 5+5/2 = 5 while the mode is 5, then the median is equal to the mode -> NO
- X = 6: median is 5+6/2 = 5.5. while the mode is whatever element of the set -> NO
- X = 7: median is 7+5/2 = 6 while the mode is 7. Then the median is one minus the mode. -> ANSWER D!
Re: Set A = {3, 1, 7, 5, 11, x} If the median of Set A above is
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26 Apr 2018, 12:44
26 Apr 2018, 12:44
how to calculate the mode for this set?can someone pleAse explain.thanks in advance.
