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When experiments are performed it is important that results are accurate and precise. (standard deviation or...

When experiments are performed it is important that results are accurate and precise. (standard deviation or percent error) is a measure of how close a measurement or set of measurements is to the true value, and can be measured by (accuracy or precision). (standard deviation or percent error) is a measure of how reliable the data is (i.e. how close trials are to each other), and can be measured by (accuracy or precision)

Choose the correct choice where it is bold..

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Answer #1

When experiments are performed it is important that results are accurate and precise. Percent error is a measure of how close a measurement or set of measurements is to the true value, and can be measured by accuracy.

Standard deviation is a measure of how reliable the data is (i.e. how close trials are to each other), and can be measured by precision.

Explanation

Accuracy refers to how close a measurement is to the true value of what is being measured. Precision refers to how close measurements of the same quantity are to each other, even if they are not close to the true value.

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