• 2022-06-05
    某食品含蛋白为39.16%,甲分析的结果为39.12%﹑39.15%和39.18%﹔乙分析得39.19%﹑39.24%和39.28%,则甲的相对误差和平均偏差为()
    A: A0.2%和0.03%
    B: B-0.026%和0.02%
    C: C0.2%和0.02%
    D: D0.025%和0.03%