單項(xiàng)選擇題某食品含蛋白為39.16%,甲分析的結(jié)果為39.12%﹑39.15%和39.18%﹔乙分析得39.19%﹑39.24%和39.28%,則甲的相對(duì)誤差和平均偏差為()

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