量取AB距离5次,结果分别为106.235m,106.240m,106.246m,106.249m,106.245m,则其平均值中误差为()mm。
量取AB距离5次,结果分别为106.235m,106.240m,106.246m,106.249m,106.245m,则其平均值中误差为()mm。
A.0
B.±4.4
C.±4.9
D.±5.5
正确答案:D
量取AB距离5次,结果分别为106.235m,106.240m,106.246m,106.249m,106.245m,则其平均值中误差为()mm。
A.0
B.±4.4
C.±4.9
D.±5.5
正确答案:D
相关答案
热门答案