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
...
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Mathematics, 14.12.2020 14:00 haileybug0305
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
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Answers: 2
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