Exercise 1: precision or accuracy?

The 4 graphic representations below illustrate the notions of the precision and accuracy of a method. Experimental measurements are represented by blue dots and the true value of the sample by the center of the target.

Describe the trueness and precision of the analytical method for each of the 4 cases.

Accurate method
Precise method
Correction
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Accurate method
Precise method
Correction
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Accurate method
Precise method
Correction
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Accurate method
Precise method
Correction
Your score
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Try again
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