# Answer to Question #4199 in Mechanics | Relativity for nancy

Question #4199

To determine the volume of a cube, a student measured one of the dimesions of the cube several times. If the true dimension of the cube is 10.62 cm, give an example of 4 sets of measurements that would illustrate the following:

imprecise and inaccurate data;

precise but inaccurate data;

precise and accurate data;

give a possible explanation as to why data can be precise or inaccurate.

What is wrong with saying a set of measurements is imprecise but accurate?

imprecise and inaccurate data;

precise but inaccurate data;

precise and accurate data;

give a possible explanation as to why data can be precise or inaccurate.

What is wrong with saying a set of measurements is imprecise but accurate?

Expert's answer

Imprecise and inaccurate data (9.5 cm, 8.5 cm, 12cm, 12.5 cm),

precise but inaccurate data (10.71 cm, 10.71 cm, 10.71 cm, 10.71 cm),

precise and accurate data (10.621 cm, 10.621 cm, 10.619 cm, 10.619 cm).

Data can be precise or inaccurate because of so1me experimenter sides bad eyes and so on.

Imprecise measurements cant be accurate because inaccurate measurements means that the device is wrong.

precise but inaccurate data (10.71 cm, 10.71 cm, 10.71 cm, 10.71 cm),

precise and accurate data (10.621 cm, 10.621 cm, 10.619 cm, 10.619 cm).

Data can be precise or inaccurate because of so1me experimenter sides bad eyes and so on.

Imprecise measurements cant be accurate because inaccurate measurements means that the device is wrong.

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