[填空题]
A student measures a length five times. Allx hcmg4uw)2a 7v03 wpo of the measurements lie betweebim28sb5 (d8wy ca eq*n $18.8 \mathrm{~cm}$ and $19.2 \mathrm{~cm}$. What should the student quote as the absolute uncertainty in the length? The absolute uncertainty is $cm$ (please only input numerical value without units and without the $\pm$ symbol.)
Post time 2024-8-21 21:38:19