MisganaGiday MisganaGiday

14-12-2020
Mathematics

contestada

if a+b+c+d=20 and a^2+b^2+c^2+d^2=108 then the variance of the data is?
A)4
B)2
C)7
D)7/2

Respuesta :

trentnpoop trentnpoop

14-12-2020

Answer:

the answer to this question should be 5.4

Answer Link

trapperbrat trapperbrat

14-12-2020

Answer:

Step-by-step explanation:

A

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