A steel rule can be read to the nearest millimetre. It is used to measure the length of a bar whose true length is 895 mm. Repeated measurements give the following readings. Are the readings accurate and precise to within 1 mm?
1 )
resaults are accurate to within 1 mm: no / resaults are precise to within 1 mm: no
resaults are accurate to within 1 mm: no/ resaults are precise to within 1 mm: yes
3 )
resaults are accurate to within 1 mm: yes / resaults are precise to within 1 mm: no
4 )
resaults are accurate to within 1 mm: yes / resaults are precise to within 1 mm: yes
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