Each of five students used the same ruler to measure the length of the same pencil. These data resulted: 15.33 cm, 15.34 cm, 15.33 cm, 15.33 cm, 15.34 cm. The actual length of the pencil was 15.85 cm. Describe whether accuracy and precision are each good or poor for these measurements.

The precision in a measure is about how close is a measured value to each other. In the problem, all measurements are between 15.33 and 15.34cm. Thus, you can say precision is good

And accuracy is about how close are the measured values to the theoretical or real value. The real length of the pencil is 15.85cm. The measurements are not even close of the real value. For that reason, you can sat accuracy of the measurements is poor.

adefioyelaoye adefioyelaoye · Answer 2 · 2021-12-14T11:34:32+01:00

The precision was good while the accuracy was poor. Precision is defined

as how close measurements are with each other.

We were told the data from the measurement was between 15.33cm-

15.34cm which shows how close the measurements are hence having a

good precision.

The accuracy is defined as how close a measurement is to the theoretical

or actual value. In this case, the actual value is 15.85cm which is far from the

values gotten from measurements hence signifying the accuracy was poor.

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