33. -阿摩線上測驗
2F
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3F Jia Hong Lin 大三上 (2017/11/12)
SSxy = Σxy- (ΣxΣy:n) =4903-(39x1092:10) = 4903-4258.8 =644.2 R= SSxy : Sqrt(SSx x SSy) SSx= Σx2 - (Σx)2:n = 209-(39)2:10 = 209-152.1 = 56.9 SSy= Σy2 - (Σy)2:n =128940-(1092)2:10 = 128940-119246.4 = 9693.6 把數字放回去。 R= 644.2 : Sqrt(56.9x9693.6) = 644.2 : 742.675 = 0.86740 |
4F
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