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Author Question: Differentiate between accuracy and precision. ... (Read 27 times)

V@ndy87

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on: Jul 28, 2018
Differentiate between accuracy and precision.

Question 2

Define measurement, and give an example.


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cswans24

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Reply #1 on: Jul 28, 2018
Answer to Question 1

Accuracy refers to how well the experimental value agrees with the true or exact
value. Precision refers to the degree of reproducibility of a measurement, that is, to
the maximum possible variations in of the actual measurements taken. Both may be
expressed as a plus/minus correction value or as a percentage.

Answer to Question 2

Measurement is the comparison of an unknown quantity to a standard. Example: The
long dimension of a page of the Laboratory Guide is 27.7 cm, that us 27.7 times as
long as a standard centimeter.


V@ndy87

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Reply 2 on: Jul 28, 2018
YES! Correct, THANKS for helping me on my review

helenmarkerine

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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