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07-05-2020
Mathematics

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Find the standard deviation of the data: 10, 8, 15, 20, 6, 14, 11, 12, 9

A 11.67
B 9
C 4.21
D 3.97

Respuesta :

haleydesmond1024 haleydesmond1024

07-05-2020

Answer:

B

Step-by-step explanation:

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