if mean of first n whole numbers is 27 then what will be the median?
Answers
SOLUTION
GIVEN
The mean of first n whole numbers is 27
TO DETERMINE
The median
CONCEPT TO BE IMPLEMENTED
Mean :
In measure of central tendency mean is the most common measure.
For a given set of observations mean is the average value of a group of numbers.
It is obtained by adding up all the observations divide by the number of observations
Median :
Median is the middle most value of a set of observations when the samples are arranged in order of magnitudes ( Either in ascending or in descending )
EVALUATION
Here the first n whole numbers are
0 , 1 , 2 , 3 , 4 , .... , ( n - 1 )
Now sum of the first n whole numbers
= 0 + 1 + 2 + 3 + 4 + .... + ( n - 1 )
So Mean of the first n whole numbers
By the given condition
So total number of observations = 55
Now 55 is odd
So required median
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