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、0.2%和0.03%B、-0.026%和0.02%C、0.2%和0.02%D、0.025%和0.03%
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、0.2%和0.03%
- B、-0.026%和0.02%
- C、0.2%和0.02%
- D、0.025%和0.03%
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