Question

If the standard deviation of a series is 4 then it's variance is

Answer 1

Answer:

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Step-by-step explanation:

$so \: here \: standard \: deviation(s.d) = 4$

$so \: thus \: then \\ we \: know \: that \\ sd = \sqrt{variance } \\ so \: squaring \: both \: sides \\ we \: get \\ \\ variance = (4)square \\ ie \: variance = 16$