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The idea is to know how much the values "spread out" from the average.

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Q: Why you measure standard deviation?
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Related questions

Do units of measure follow the standard deviation?

Units of measure do follow the standard deviation.


What is standard deviation used for?

Standard deviation is a measure of the spread of data.


Why do we need the standard deviation?

The standard deviation is a measure of the spread of data.


Does standard deviation and mean deviation measure dispersion the same?

No. The average of the deviations, or mean deviation, will always be zero. The standard deviation is the average squared deviation which is usually non-zero.


Why standard deviation is best measure of dispersion?

standard deviation is best measure of dispersion because all the data distributions are nearer to the normal distribution.


Why standard deviation is better measure of variance?

1. Standard deviation is not a measure of variance: it is the square root of the variance.2. The answer depends on better than WHAT!


What is the minimum data required for standard deviation?

The standard deviation is a measure of how spread out the numbers are. Three points is needed to calculate a statistically valid meaningful standard deviation.


What does one standard deviation mean?

Standard deviation is a measure of variation from the mean of a data set. 1 standard deviation from the mean (which is usually + and - from mean) contains 68% of the data.


What does standard deviation tell about distribution and varity?

It is a measure of the spread of the distribution. The greater the standard deviation the more variety there is in the observations.


How do you use standard deviation?

Standard deviation is a measure of how spread out a set of numbers are from each other. It has a variety of uses in statistics.


How do you calculation standard deviation of concrete cubes?

You cannot calculate standard deviation for objects such as concrete cubes - you can only calculate standard deviation for some measure - such as side length, surface area, volume, mass, alkalinity or some other measure.


Which measure of varartion is preferred when the mean is used as the measure of center?

standard deviation