Variance and Standard Deviation

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Consider the following sample of scores:

$14\,\,\,\,\,14\,\,\,\,\,14\,\,\,\,\,14\,\,\,\,\,14\,\,\,\,\,14\,\,\,\,\,14$

Without performing any calculations, what is the standard deviation $s$ of this sample?

$s=$

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