If all the data values in a set are identical, you can conclude that the standard deviation is zero.
This is further explained below.
<h3>What is
the standard deviation?</h3>
Generally, The degree of variation or dispersion in a group of data may be measured using a statistic called the standard deviation.
A standard deviation that is low suggests that the values in the set have a tendency to be near to the mean of the set, while a standard deviation that is large shows that the values are spread out across a range that is more extensive.
In conclusion, If all of the data values in a set are the same, then you can safely draw the conclusion that there is no standard deviation at all.
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