a student used a 500-mL graduated cylinder to measure the volume of water in a 1 -cup measure. three...

Question

a student used a 500-mL graduated cylinder to measure the volume of water in a 1 -cup measure. three trials of the measurements gave volumes of 240 mL, 242 mL, and 235 mL. what is the average of the three measurements?were the measurements precise? were they accurate? justify your answer.

David · Accepted Answer

Solution to TTs050912_sus36541_1
    Average of the three measurement = 1/3 ( 240+242+235) ml = 239 
ml. 
   Accuracy is how closely the measured value agrees with the true value 
or actual value. Here, the actual value is not given. If the actual value is 
assumed to be 250 ml,

a student used a 500-mL graduated cylinder to measure the volume of water in a 1 -cup measure. three trials of the measurements gave volumes of 240 mL, 242 mL, and 235 mL. what is the average of the...

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