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Everyone is average, whether that average is the mean, median, or mode.

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14y ago
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14y ago

The members all have the same value.

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Q: If the standard deviation of a population is zero what can you say about the members of that population?
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Related questions

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 use standard deviation and not average deviation?

Because the average deviation will always be zero.


Can standard deviation be zero?

Yes, but only in the case where all numbers in your sample are the same. If you attempt to use a zero standard deviation in most statistical analyses, you will get an error message. Your sample has shown no variation so no inferences can be made to the general population.


Does a zero standard deviation support data?

no


What is the standard deviation of 3.083065714?

Its zero dummy


What are all the values a standard deviation can take?

The standard deviation must be greater than or equal to zero.


If the standard deviation of 10 scores is 0?

If the standard deviation of 10 scores is zero, then all scores are the same.


How do you know if a z score is positive or negative?

A negative Z-Score corresponds to a negative standard deviation, i.e. an observation that is less than the mean, when the standard deviation is normalized so that the standard deviation is zero when the mean is zero.


Does variance and standard deviation assume nominal data?

No. Variance and standard deviation are dependent on, but calculated irrespective of the data. You do, of course, have to have some variation, otherwise, the variance and standard deviation will be zero.


What set of seven numbers with a mean of 10 and a standard deviation of zero?

[10, 10, 10, 10, 10, 10, 10] has a mean of 10 and a standard deviation of zero.


Can standard deviation be a negative?

No. Standard deviation is the square root of a non-negative number (the variance) and as such has to be at least zero. Please see the related links for a definition of standard deviation and some examples.


Is it true that the standard deviation can equal zero in a data set?

The standard deviation is a measure of how much variation there is in a data set. It can be zero only if all the values are exactly the same - no variation.