有甲、乙分析者,同時分析赤鐵礦中Fe2O3%分析結(jié)果如下: 甲52.16%,52.22%,52.18% 乙53.46%,53.46%,53.28% 赤鐵礦中Fe2O3%實(shí)際含量為53.26%,問甲、乙二分析者的分析結(jié)果哪個精密度高,哪個準(zhǔn)確度高?說明理由