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If the variances is 81, then the standard deviation is _____.

A. 6
B. 7
C. 8
D. 9​


Sagot :

Answer:

the anwers is leter D.

Because Correct option is

D

81

We know that variance is square of standard deviation.

Given that standard deviation is 9

Therefore, variance =9

2

=81

Exaplain:

# correct me if im wrong

#please dant forget to breinlest