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When someone asks a for an "average" value, that can mean a couple of different things. "Mean," "median," and "mode" are all values that are used to relate what the "center" or "average" of a distribution of values is. Each one has their advantages and disadvantages.
The median is the value that divides the distribution exactly into halves - 50% is below it, and 50% above it. The median may not actually occur in the distribution, but it is the "balance point" of the distribution.
The main advantage of the median is that it is not affected by outliers as the mean is and the mode can be. In distributions with a clear skew, such as housing prices or wages, using the median provides a much better estimate of what the "average" is.
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How do you calculate standard deviation using median?
You cannot because the standard deviation is not related to the median.
Advantages and disadvantages of median?
There are several disadvantages and advantages to a median. One advantage is that it avoids collisions of cars driving in opposite directions. One disadvantage is that drivers must make more U-turns in order to make left turns.
What is a sentence using the word median?
"Finding the median of a group of numbers usually isn't very challenging"
Do extreme values affect the median?
No they do not (or at least they have less of a significant impact) and this is the benefit of using the median average over the mean average.
What is a quartile in a math problem?
A quartile is a given section in a range of data. To find the quartile, you must first find the median. Then find the "median of the median", using these to separate your data into sections, giving you a total of four sections of data.
