Find the perimeter. Simplify your answer.
1 answer:
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Call the surface 
; then the area of is given by the surface integral
Parameterize the surface by
with
and 
. The surface element is given by
So the area is
where
Parameterize the surface by
with
So the area is
where
Since, the variance calculated on 34 scores is equal to 14.94.
We have to determine the standard deviation.
Relationship between Variance and standard deviation is:
Standard deviation =
Substituting the value of Variance, to evaluate the standard deviation.
We get,
Standard deviation =
= 3.865
= 3.87
Therefore, the standard deviation is 3.87