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12 Jun 2020, 05:53
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What will be the mode of Below sets:
1.{1,2,3,4,5,6,7}
2.{1,1,2,2,4,4,5,10,100}
Though it is an easy concept I am confused.
1.{1,2,3,4,5,6,7}
2.{1,1,2,2,4,4,5,10,100}
Though it is an easy concept I am confused.
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12 Jun 2020, 06:04
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NikitaVChoudhary
The mode is the number that occurs the most frequently in a data set. For example mode of the set {2, 3, 4, 4} is 4.
Set can have more than one mode, for example set {2, 2, 3, 3, 5} has two modes 2 and 3.
If every number in the set occurs an equal number of times, then the set has no mode. For example set {1, 2, 3} has no mode.
For example:
{1, 2, 4, 8, 8, 8, 9, 10, 10, 10, 11} - has two modes 8 and 10;
{1, 2, 3, 4, 5, 6} - has no mode, since every number in the set occurs an equal number of times;
{2, 2, 4, 4, 6, 6} - has no mode, since every number in the set occurs an equal number of times.
12 Jun 2020, 06:09
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Bunuel
Bunuel, Thanks for the quick reply. It's clear now.
) but I'd point out that the GMAT doesn't test technicalities about the mode, so there's really no reason to worry about any of this. If a GMAT question asks about a mode (and it's extremely rare for a GMAT question to even mention the mode), it will always be in situation where the mode is unique and well-defined. They won't ask about a list which might have no mode or several modes. 
