#2 Calibration and Accuracy/Precision Benchmark Caterisano
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Determine the volume of liquid in this 
graduated cylinder. 
40.0 mL
41.0 mL
43.0 mL
46.0 mL
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Determine the volume of the liquid in this 
graduated cylinder.
61.0 mL
61.5 mL
63.0 mL
63.5 mL
What is the definition of precision?
How close to the accepted value
Small difference in trials
What is the definition of accuracy?
How close to the accepted value
Small difference in trials
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Are these students precise, accurate or both?
The accepted density is 1.22 g/mL
Precise
Accurate
Both
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Are these students precise?
The accepted density is 3.5 g/cm3
No, because there is a large difference in the students trials.
No, because the average of the trials is not close to 3.5 g/cm3.
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