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Question

Given a data set consisting of just 2 observations (each occuring once),what is true for the given data set?

A
Mean and median is same.
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B
Mean and mode is same.
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C
Median and mode is same.
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D
No relation can be determined.
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Solution

The correct option is A Mean and median is same.
Mean of 2 numbers a and b is a+b2

Median for even number of terms is the average of the 2 middle most terms, which in this case are the only two terms present, therefore median is a+b2.

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