..., it makes me unhappy. I also always feel uncomfortable with a heavy weight . I finally decided to lose weight to look more beautiful and to achieve a ...
1. 設X為 kerb weight (in kg) Y為 miles per gallon 樣本迴歸線: y head=77.879-0....
1.平均值185;標準差15;求超過200榜的人的機率 Z=(X-平均值)/標準差=(200-185)/15=1 Z=1;查Z表,注意看因為是超過200榜,所以要查表二 查到的是0.1587;故機率是0.1587 2.總數=25;平均值16;標準差2.5;求在95%的信賴區間 信賴區間=平均值+-Z(阿法的一半)*標準差/總數開根號...
...case (mass and spring system), Angular frequency, ω = √k/m As weight = mg Take g = 10 ms^-2 So, 1.00 = 10m Mass, m = 0.10...