Which of the following choices is the variance of the sample shown here? 30, 32, 47, 57, 66,79
A. 19.2
B. 205.5
C. 17.6
D. 371.8
E. 309.2

x=0

step-by-step explanation:

step-by-step explanation:

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a

step-by-step explanation:

the denominator cannot be the same as one of the factors.

8 denominator times 2 denominator = 16

and 7 numerator time 11 = 77

77/16= 77/16 ( they cannot be further simplified)