what is median and its formula
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In statistics and probability theory, a median is a value separating the higher half from the lower half of a data sample, a population, or a probability distribution. For a data set, it may be thought of as "the middle" value.
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The median of a set of data is the middlemost number or center value in the set. The median is also the number that is halfway into the set.
To find the median, the data should be arranged, first, in order of least to greatest or greatest to the least value. A median is a number that is separated by the higher half of a data sample, a population or a probability distribution, from the lower half. The median is different for different types of distribution.
The formula to calculate the median of the data set is given as follow.
Odd Number of Observations
If the total number of observation given is odd, then the formula to calculate the median is:
Median = {(n+1)/2}thterm
where n is the number of observations
Even Number of Observations
If the total number of observation is even, then the median formula is:
Median = [(n/2)th term + {(n/2)+1}th]/2
where n is the number of observations
To find the median, the data should be arranged, first, in order of least to greatest or greatest to the least value. A median is a number that is separated by the higher half of a data sample, a population or a probability distribution, from the lower half. The median is different for different types of distribution.
The formula to calculate the median of the data set is given as follow.
Odd Number of Observations
If the total number of observation given is odd, then the formula to calculate the median is:
Median = {(n+1)/2}thterm
where n is the number of observations
Even Number of Observations
If the total number of observation is even, then the median formula is:
Median = [(n/2)th term + {(n/2)+1}th]/2
where n is the number of observations
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