[填空题]
A student measures a length five times. All of,2u-ag m8 5 dk0ogidrtl)z 2ce the measurements l+e3g 6nl8ih nz(y3j,gm1 wxf -tb*bolie between $18.8 \mathrm{~cm}$ 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