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4.1.

U,            
U, 12,83 16,69 20,75 26,95 28,72 34,88
,/ 2761,52 3592,35 4466,23 5800,71 6181,69 7507,57
n,/ 215,24 215,24 215,24 215,24 215,24 215,24
n1, / 1377,98 1377,98 1377,98 1377,98 1377,98 1377,98
n2, /            
nΣ, / 445,9 445,9 445,9 445,9 445,9 445,9
γn, % 5,9 5,9 5,9 5,9 5,9 5,9
δn, % 16,1 12,4 10,00 7,7 7,2 5,9

 

1) ϳ :

SU=1/6*ΣU /U

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SU=1/6*(12,83/10+16,69/12+20,75/14+26,95/16,+28,72/18+34,88/20)=1,529

2) :

ni=SU; S=S/SU=329,1/1,529=215,24;

n1=215,24*12,83=2761,52/

n2=215,24*16,69=3592,35/

n3=215,24*20,75=4466,23/

n4=215,24*26,95=5800,71/

n5=215,24*28,72=6181,69/

n6=215,24*34,88=7507,57/

γU = ΔU / UN * 100%

ΔU = γU * (UN / 100%)

γU=0,5; UN=50B

ΔU = 0,5*50/100=0,25B

S=329,1

SU=1,529

ΔU = 0,25B

= =5511,93

Δ 1= *ΔU=0,25*5511,93=1377,98 /.

Δ 2 =1,5*20* / 100% = 300

ΔnΣ= = 445.9 /.

3) :

γ = ∆n∑*100% /nN= 445,9*100% / 7507=5,9%

δΣ1 = 445,9*100% / 2761,52 = 16,1%

δΣ2 = 445,9*100% / 3592,35 = 12,4%

δΣ3 = 445,9*100% / 4466,23 = 10,0%

δΣ4 = 445,9*100% / 5800,71 = 7,7%
δΣ5 = 445,9*100% / 6181,69 = 7,2%

δΣ6 = 445,9*100% / 7507,57 = 5,9%

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