问题
单项选择题
在相同条件下,对同一被测量进行多次连续测量,测量值为:0.01mm,0.02mm,0.01mm,0.03mm。用极差法计算得到的测量重复性为()。(注测量次数为4,极差系数近似为2)
A、0.02mm
B、0.01mm
C、0.015mm
D、0.005mm
答案
参考答案:B
在相同条件下,对同一被测量进行多次连续测量,测量值为:0.01mm,0.02mm,0.01mm,0.03mm。用极差法计算得到的测量重复性为()。(注测量次数为4,极差系数近似为2)
A、0.02mm
B、0.01mm
C、0.015mm
D、0.005mm
参考答案:B