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A=25 , C=0.5
U= (X-A)/C
U1= (23.5-25)/0.5 = -3
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U
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f
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fU
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(U-Ū)2
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f(U-Ū)2
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-3
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1
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-3
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11.86419722
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11.86419722
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-2
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6
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-12
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5.975308425
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35.85185055
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-1
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23
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-23
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2.086419625
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47.98765138
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0
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48
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0
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0.197530824
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9.481479552
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1
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39
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39
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0.308642024
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12.03703894
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2
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20
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40
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2.419753225
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48.3950645
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3
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5
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15
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6.530864425
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32.65432213
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4
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2
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8
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12.64197562
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25.28395124
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∑f=144
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∑fU=64
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∑f(U-Ū)2=223.55555
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Ū= ( ∑fU ) / ( ∑f ) = 64/144 =0.4444444
σu2 = ( ∑f(U-Ū)2 ) / ( ∑f ) = 223.5555555/144 =1.5524691
σu = 1.2459811
σx = c.σu = (0.5).(1.2459811) = 0.6229
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Bugün 3 ziyaretçi (4 klik) kişi burdaydı! |
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